Home / 278,568.29-382,944.20-239,663.10

Finding the Fourth Proportional to 278,568.29, 382,944.20 and 239,663.10

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Solution

The fourth proportional to 278,568.29, 382,944.20 and 239,663.10 is: 329,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,568.29 : 382,944.20 = 239,663.10 : x
  2. Step 2: Convert to fraction form
    278,568.29/382,944.20 = 239,663.10/x
  3. Step 3: Cross multiply
    278,568.29x = 382,944.20 × 239,663.10
  4. Step 4: Simplify right side
    278,568.29x = 91,777,592,900.70
  5. Step 5: Solve for x
    x = 91,777,592,900.70/278,568.29
  6. Step 6: Final answer
    x = 329,461.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.