Home / 360,336.16-540,517.08-123,677.20

Finding the Fourth Proportional to 360,336.16, 540,517.08 and 123,677.20

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Solution

The fourth proportional to 360,336.16, 540,517.08 and 123,677.20 is: 185,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,336.16 : 540,517.08 = 123,677.20 : x
  2. Step 2: Convert to fraction form
    360,336.16/540,517.08 = 123,677.20/x
  3. Step 3: Cross multiply
    360,336.16x = 540,517.08 × 123,677.20
  4. Step 4: Simplify right side
    360,336.16x = 66,849,639,006.58
  5. Step 5: Solve for x
    x = 66,849,639,006.58/360,336.16
  6. Step 6: Final answer
    x = 185,520.21

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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.