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Finding the Fourth Proportional to 658,078.45, 987,117.98 and 237,354.32

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Solution

The fourth proportional to 658,078.45, 987,117.98 and 237,354.32 is: 356,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,078.45 : 987,117.98 = 237,354.32 : x
  2. Step 2: Convert to fraction form
    658,078.45/987,117.98 = 237,354.32/x
  3. Step 3: Cross multiply
    658,078.45x = 987,117.98 × 237,354.32
  4. Step 4: Simplify right side
    658,078.45x = 234,296,718,183.70
  5. Step 5: Solve for x
    x = 234,296,718,183.70/658,078.45
  6. Step 6: Final answer
    x = 356,031.59

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Similar ratio
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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.