Home / 257,249.52-384,039.03-240,154.11

Finding the Fourth Proportional to 257,249.52, 384,039.03 and 240,154.11

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Solution

The fourth proportional to 257,249.52, 384,039.03 and 240,154.11 is: 358,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,249.52 : 384,039.03 = 240,154.11 : x
  2. Step 2: Convert to fraction form
    257,249.52/384,039.03 = 240,154.11/x
  3. Step 3: Cross multiply
    257,249.52x = 384,039.03 × 240,154.11
  4. Step 4: Simplify right side
    257,249.52x = 92,228,551,454.91
  5. Step 5: Solve for x
    x = 92,228,551,454.91/257,249.52
  6. Step 6: Final answer
    x = 358,517.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.