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Finding the Fourth Proportional to 283,875.82, 391,735.42 and 162,931.97

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Solution

The fourth proportional to 283,875.82, 391,735.42 and 162,931.97 is: 224,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,875.82 : 391,735.42 = 162,931.97 : x
  2. Step 2: Convert to fraction form
    283,875.82/391,735.42 = 162,931.97/x
  3. Step 3: Cross multiply
    283,875.82x = 391,735.42 × 162,931.97
  4. Step 4: Simplify right side
    283,875.82x = 63,826,223,699.38
  5. Step 5: Solve for x
    x = 63,826,223,699.38/283,875.82
  6. Step 6: Final answer
    x = 224,838.54

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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.