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Finding the Fourth Proportional to 207,231.98, 310,946.38 and 88,937.14

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Solution

The fourth proportional to 207,231.98, 310,946.38 and 88,937.14 is: 133,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231.98 : 310,946.38 = 88,937.14 : x
  2. Step 2: Convert to fraction form
    207,231.98/310,946.38 = 88,937.14/x
  3. Step 3: Cross multiply
    207,231.98x = 310,946.38 × 88,937.14
  4. Step 4: Simplify right side
    207,231.98x = 27,654,681,730.55
  5. Step 5: Solve for x
    x = 27,654,681,730.55/207,231.98
  6. Step 6: Final answer
    x = 133,447.94

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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.