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Finding the Fourth Proportional to 510,060.96, 765,092.88 and 243,761.04

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Solution

The fourth proportional to 510,060.96, 765,092.88 and 243,761.04 is: 365,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,060.96 : 765,092.88 = 243,761.04 : x
  2. Step 2: Convert to fraction form
    510,060.96/765,092.88 = 243,761.04/x
  3. Step 3: Cross multiply
    510,060.96x = 765,092.88 × 243,761.04
  4. Step 4: Simplify right side
    510,060.96x = 186,499,836,125.40
  5. Step 5: Solve for x
    x = 186,499,836,125.40/510,060.96
  6. Step 6: Final answer
    x = 365,642.25

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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.