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Finding the Fourth Proportional to 203,279.62, 304,864.35 and 84,926.20

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Solution

The fourth proportional to 203,279.62, 304,864.35 and 84,926.20 is: 127,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,279.62 : 304,864.35 = 84,926.20 : x
  2. Step 2: Convert to fraction form
    203,279.62/304,864.35 = 84,926.20/x
  3. Step 3: Cross multiply
    203,279.62x = 304,864.35 × 84,926.20
  4. Step 4: Simplify right side
    203,279.62x = 25,890,970,760.97
  5. Step 5: Solve for x
    x = 25,890,970,760.97/203,279.62
  6. Step 6: Final answer
    x = 127,366.29

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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.