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Finding the Fourth Proportional to 452,601.60, 679,000.32 and 172,124.16

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Solution

The fourth proportional to 452,601.60, 679,000.32 and 172,124.16 is: 258,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,601.60 : 679,000.32 = 172,124.16 : x
  2. Step 2: Convert to fraction form
    452,601.60/679,000.32 = 172,124.16/x
  3. Step 3: Cross multiply
    452,601.60x = 679,000.32 × 172,124.16
  4. Step 4: Simplify right side
    452,601.60x = 116,872,359,719.73
  5. Step 5: Solve for x
    x = 116,872,359,719.73/452,601.60
  6. Step 6: Final answer
    x = 258,223.48

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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.