Home / 284,331.30-426,488.69-115,809.95

Finding the Fourth Proportional to 284,331.30, 426,488.69 and 115,809.95

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Solution

The fourth proportional to 284,331.30, 426,488.69 and 115,809.95 is: 173,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,331.30 : 426,488.69 = 115,809.95 : x
  2. Step 2: Convert to fraction form
    284,331.30/426,488.69 = 115,809.95/x
  3. Step 3: Cross multiply
    284,331.30x = 426,488.69 × 115,809.95
  4. Step 4: Simplify right side
    284,331.30x = 49,391,635,220.21
  5. Step 5: Solve for x
    x = 49,391,635,220.21/284,331.30
  6. Step 6: Final answer
    x = 173,711.57

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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.