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Finding the Fourth Proportional to 270,892.80, 406,365.92 and 93,376.44

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Solution

The fourth proportional to 270,892.80, 406,365.92 and 93,376.44 is: 140,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,892.80 : 406,365.92 = 93,376.44 : x
  2. Step 2: Convert to fraction form
    270,892.80/406,365.92 = 93,376.44/x
  3. Step 3: Cross multiply
    270,892.80x = 406,365.92 × 93,376.44
  4. Step 4: Simplify right side
    270,892.80x = 37,945,002,946.92
  5. Step 5: Solve for x
    x = 37,945,002,946.92/270,892.80
  6. Step 6: Final answer
    x = 140,073.87

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1.5x scale

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.