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Finding the Fourth Proportional to 356,375.64, 534,597.23 and 100,207.65

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Solution

The fourth proportional to 356,375.64, 534,597.23 and 100,207.65 is: 150,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,375.64 : 534,597.23 = 100,207.65 : x
  2. Step 2: Convert to fraction form
    356,375.64/534,597.23 = 100,207.65/x
  3. Step 3: Cross multiply
    356,375.64x = 534,597.23 × 100,207.65
  4. Step 4: Simplify right side
    356,375.64x = 53,570,732,365.33
  5. Step 5: Solve for x
    x = 53,570,732,365.33/356,375.64
  6. Step 6: Final answer
    x = 150,320.97

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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.