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Finding the Fourth Proportional to 239,207.11, 358,811.17 and 224,592.48

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Solution

The fourth proportional to 239,207.11, 358,811.17 and 224,592.48 is: 336,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,207.11 : 358,811.17 = 224,592.48 : x
  2. Step 2: Convert to fraction form
    239,207.11/358,811.17 = 224,592.48/x
  3. Step 3: Cross multiply
    239,207.11x = 358,811.17 × 224,592.48
  4. Step 4: Simplify right side
    239,207.11x = 80,586,289,960.52
  5. Step 5: Solve for x
    x = 80,586,289,960.52/239,207.11
  6. Step 6: Final answer
    x = 336,889.20

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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.