Home / 284,174.28-392,154.54-155,108.52

Finding the Fourth Proportional to 284,174.28, 392,154.54 and 155,108.52

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Solution

The fourth proportional to 284,174.28, 392,154.54 and 155,108.52 is: 214,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,174.28 : 392,154.54 = 155,108.52 : x
  2. Step 2: Convert to fraction form
    284,174.28/392,154.54 = 155,108.52/x
  3. Step 3: Cross multiply
    284,174.28x = 392,154.54 × 155,108.52
  4. Step 4: Simplify right side
    284,174.28x = 60,826,510,310.68
  5. Step 5: Solve for x
    x = 60,826,510,310.68/284,174.28
  6. Step 6: Final answer
    x = 214,046.50

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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.