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Finding the Fourth Proportional to 364,402.35, 502,876.01 and 203,253.25

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Solution

The fourth proportional to 364,402.35, 502,876.01 and 203,253.25 is: 280,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,402.35 : 502,876.01 = 203,253.25 : x
  2. Step 2: Convert to fraction form
    364,402.35/502,876.01 = 203,253.25/x
  3. Step 3: Cross multiply
    364,402.35x = 502,876.01 × 203,253.25
  4. Step 4: Simplify right side
    364,402.35x = 102,211,183,379.53
  5. Step 5: Solve for x
    x = 102,211,183,379.53/364,402.35
  6. Step 6: Final answer
    x = 280,489.91

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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.