Home / 310,380-465,570-88,764

Finding the Fourth Proportional to 310,380, 465,570 and 88,764

Calculator

Solution

The fourth proportional to 310,380, 465,570 and 88,764 is: 133,146

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,380 : 465,570 = 88,764 : x
  2. Step 2: Convert to fraction form
    310,380/465,570 = 88,764/x
  3. Step 3: Cross multiply
    310,380x = 465,570 × 88,764
  4. Step 4: Simplify right side
    310,380x = 41,325,855,480
  5. Step 5: Solve for x
    x = 41,325,855,480/310,380
  6. Step 6: Final answer
    x = 133,146

Related Problems

Find fourth proportional to 155,190, 232,785 and 44,382
Half scale
Find fourth proportional to 620,760, 931,140 and 177,528
Double scale
Find fourth proportional to 310,381, 465,571.50 and 88,765
Similar ratio
Find fourth proportional to 465,570, 698,355 and 133,146
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.