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Finding the Fourth Proportional to 458,625.60, 632,882.04 and 254,689.48

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Solution

The fourth proportional to 458,625.60, 632,882.04 and 254,689.48 is: 351,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,625.60 : 632,882.04 = 254,689.48 : x
  2. Step 2: Convert to fraction form
    458,625.60/632,882.04 = 254,689.48/x
  3. Step 3: Cross multiply
    458,625.60x = 632,882.04 × 254,689.48
  4. Step 4: Simplify right side
    458,625.60x = 161,188,397,668.94
  5. Step 5: Solve for x
    x = 161,188,397,668.94/458,625.60
  6. Step 6: Final answer
    x = 351,459.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.