Home / 284,446.11-392,531.55-155,383.04

Finding the Fourth Proportional to 284,446.11, 392,531.55 and 155,383.04

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Solution

The fourth proportional to 284,446.11, 392,531.55 and 155,383.04 is: 214,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,446.11 : 392,531.55 = 155,383.04 : x
  2. Step 2: Convert to fraction form
    284,446.11/392,531.55 = 155,383.04/x
  3. Step 3: Cross multiply
    284,446.11x = 392,531.55 × 155,383.04
  4. Step 4: Simplify right side
    284,446.11x = 60,992,745,534.91
  5. Step 5: Solve for x
    x = 60,992,745,534.91/284,446.11
  6. Step 6: Final answer
    x = 214,426.37

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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.