Home / 284,180.19-392,171.91-156,855.87

Finding the Fourth Proportional to 284,180.19, 392,171.91 and 156,855.87

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Solution

The fourth proportional to 284,180.19, 392,171.91 and 156,855.87 is: 216,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,180.19 : 392,171.91 = 156,855.87 : x
  2. Step 2: Convert to fraction form
    284,180.19/392,171.91 = 156,855.87/x
  3. Step 3: Cross multiply
    284,180.19x = 392,171.91 × 156,855.87
  4. Step 4: Simplify right side
    284,180.19x = 61,514,466,132.61
  5. Step 5: Solve for x
    x = 61,514,466,132.61/284,180.19
  6. Step 6: Final answer
    x = 216,462.89

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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.