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Finding the Fourth Proportional to 347,781.95, 479,944.07 and 202,584

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Solution

The fourth proportional to 347,781.95, 479,944.07 and 202,584 is: 279,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,781.95 : 479,944.07 = 202,584 : x
  2. Step 2: Convert to fraction form
    347,781.95/479,944.07 = 202,584/x
  3. Step 3: Cross multiply
    347,781.95x = 479,944.07 × 202,584
  4. Step 4: Simplify right side
    347,781.95x = 97,228,988,463.96
  5. Step 5: Solve for x
    x = 97,228,988,463.96/347,781.95
  6. Step 6: Final answer
    x = 279,568.82

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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.