Home / 284,445.11-392,530.17-155,382.04

Finding the Fourth Proportional to 284,445.11, 392,530.17 and 155,382.04

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Solution

The fourth proportional to 284,445.11, 392,530.17 and 155,382.04 is: 214,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,445.11 : 392,530.17 = 155,382.04 : x
  2. Step 2: Convert to fraction form
    284,445.11/392,530.17 = 155,382.04/x
  3. Step 3: Cross multiply
    284,445.11x = 392,530.17 × 155,382.04
  4. Step 4: Simplify right side
    284,445.11x = 60,992,137,594.82
  5. Step 5: Solve for x
    x = 60,992,137,594.82/284,445.11
  6. Step 6: Final answer
    x = 214,424.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.