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Finding the Fourth Proportional to 636,781.80, 955,172.52 and 187,502.70

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Solution

The fourth proportional to 636,781.80, 955,172.52 and 187,502.70 is: 281,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,781.80 : 955,172.52 = 187,502.70 : x
  2. Step 2: Convert to fraction form
    636,781.80/955,172.52 = 187,502.70/x
  3. Step 3: Cross multiply
    636,781.80x = 955,172.52 × 187,502.70
  4. Step 4: Simplify right side
    636,781.80x = 179,097,426,465.80
  5. Step 5: Solve for x
    x = 179,097,426,465.80/636,781.80
  6. Step 6: Final answer
    x = 281,254.00

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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.