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Finding the Fourth Proportional to 364,711.32, 503,327 and 203,597.84

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Solution

The fourth proportional to 364,711.32, 503,327 and 203,597.84 is: 280,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,711.32 : 503,327 = 203,597.84 : x
  2. Step 2: Convert to fraction form
    364,711.32/503,327 = 203,597.84/x
  3. Step 3: Cross multiply
    364,711.32x = 503,327 × 203,597.84
  4. Step 4: Simplify right side
    364,711.32x = 102,476,290,013.68
  5. Step 5: Solve for x
    x = 102,476,290,013.68/364,711.32
  6. Step 6: Final answer
    x = 280,979.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.