Home / 307,002.95-460,295.29-157,121

Finding the Fourth Proportional to 307,002.95, 460,295.29 and 157,121

Calculator

Solution

The fourth proportional to 307,002.95, 460,295.29 and 157,121 is: 235,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,002.95 : 460,295.29 = 157,121 : x
  2. Step 2: Convert to fraction form
    307,002.95/460,295.29 = 157,121/x
  3. Step 3: Cross multiply
    307,002.95x = 460,295.29 × 157,121
  4. Step 4: Simplify right side
    307,002.95x = 72,322,056,260.09
  5. Step 5: Solve for x
    x = 72,322,056,260.09/307,002.95
  6. Step 6: Final answer
    x = 235,574.47

Related Problems

Find fourth proportional to 153,501.48, 230,147.65 and 78,560.50
Half scale
Find fourth proportional to 614,005.90, 920,590.58 and 314,242
Double scale
Find fourth proportional to 307,003.95, 460,296.79 and 157,122
Similar ratio
Find fourth proportional to 460,504.43, 690,442.94 and 235,681.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.