Home / 351,849.68-527,861.88-138,631.76

Finding the Fourth Proportional to 351,849.68, 527,861.88 and 138,631.76

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Solution

The fourth proportional to 351,849.68, 527,861.88 and 138,631.76 is: 207,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,849.68 : 527,861.88 = 138,631.76 : x
  2. Step 2: Convert to fraction form
    351,849.68/527,861.88 = 138,631.76/x
  3. Step 3: Cross multiply
    351,849.68x = 527,861.88 × 138,631.76
  4. Step 4: Simplify right side
    351,849.68x = 73,178,421,461.31
  5. Step 5: Solve for x
    x = 73,178,421,461.31/351,849.68
  6. Step 6: Final answer
    x = 207,982.06

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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.