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Finding the Fourth Proportional to 510,577.31, 765,866.03 and 155,591.57

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Solution

The fourth proportional to 510,577.31, 765,866.03 and 155,591.57 is: 233,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,577.31 : 765,866.03 = 155,591.57 : x
  2. Step 2: Convert to fraction form
    510,577.31/765,866.03 = 155,591.57/x
  3. Step 3: Cross multiply
    510,577.31x = 765,866.03 × 155,591.57
  4. Step 4: Simplify right side
    510,577.31x = 119,162,293,410.08
  5. Step 5: Solve for x
    x = 119,162,293,410.08/510,577.31
  6. Step 6: Final answer
    x = 233,387.37

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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.