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Finding the Fourth Proportional to 539,135.33, 808,617.13 and 179,276.22

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Solution

The fourth proportional to 539,135.33, 808,617.13 and 179,276.22 is: 268,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,135.33 : 808,617.13 = 179,276.22 : x
  2. Step 2: Convert to fraction form
    539,135.33/808,617.13 = 179,276.22/x
  3. Step 3: Cross multiply
    539,135.33x = 808,617.13 × 179,276.22
  4. Step 4: Simplify right side
    539,135.33x = 144,965,822,045.46
  5. Step 5: Solve for x
    x = 144,965,822,045.46/539,135.33
  6. Step 6: Final answer
    x = 268,885.78

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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.