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Finding the Fourth Proportional to 252,735.17, 379,095.45 and 102,938.42

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Solution

The fourth proportional to 252,735.17, 379,095.45 and 102,938.42 is: 154,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,735.17 : 379,095.45 = 102,938.42 : x
  2. Step 2: Convert to fraction form
    252,735.17/379,095.45 = 102,938.42/x
  3. Step 3: Cross multiply
    252,735.17x = 379,095.45 × 102,938.42
  4. Step 4: Simplify right side
    252,735.17x = 39,023,484,756.71
  5. Step 5: Solve for x
    x = 39,023,484,756.71/252,735.17
  6. Step 6: Final answer
    x = 154,404.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.