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Finding the Fourth Proportional to 364,239.72, 502,648.74 and 203,096.70

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Solution

The fourth proportional to 364,239.72, 502,648.74 and 203,096.70 is: 280,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,239.72 : 502,648.74 = 203,096.70 : x
  2. Step 2: Convert to fraction form
    364,239.72/502,648.74 = 203,096.70/x
  3. Step 3: Cross multiply
    364,239.72x = 502,648.74 × 203,096.70
  4. Step 4: Simplify right side
    364,239.72x = 102,086,300,353.16
  5. Step 5: Solve for x
    x = 102,086,300,353.16/364,239.72
  6. Step 6: Final answer
    x = 280,272.29

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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.