Home / 437,678.40-656,254.80-171,121.08

Finding the Fourth Proportional to 437,678.40, 656,254.80 and 171,121.08

Calculator

Solution

The fourth proportional to 437,678.40, 656,254.80 and 171,121.08 is: 256,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,678.40 : 656,254.80 = 171,121.08 : x
  2. Step 2: Convert to fraction form
    437,678.40/656,254.80 = 171,121.08/x
  3. Step 3: Cross multiply
    437,678.40x = 656,254.80 × 171,121.08
  4. Step 4: Simplify right side
    437,678.40x = 112,299,030,131.18
  5. Step 5: Solve for x
    x = 112,299,030,131.18/437,678.40
  6. Step 6: Final answer
    x = 256,578.87

Related Problems

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.