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Finding the Fourth Proportional to 458,609.28, 632,872 and 254,649.60

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Solution

The fourth proportional to 458,609.28, 632,872 and 254,649.60 is: 351,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,609.28 : 632,872 = 254,649.60 : x
  2. Step 2: Convert to fraction form
    458,609.28/632,872 = 254,649.60/x
  3. Step 3: Cross multiply
    458,609.28x = 632,872 × 254,649.60
  4. Step 4: Simplify right side
    458,609.28x = 161,160,601,651.20
  5. Step 5: Solve for x
    x = 161,160,601,651.20/458,609.28
  6. Step 6: Final answer
    x = 351,411.56

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1.5x scale

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.