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Finding the Fourth Proportional to 458,305.01, 632,536.96 and 267,318.45

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Solution

The fourth proportional to 458,305.01, 632,536.96 and 267,318.45 is: 368,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,305.01 : 632,536.96 = 267,318.45 : x
  2. Step 2: Convert to fraction form
    458,305.01/632,536.96 = 267,318.45/x
  3. Step 3: Cross multiply
    458,305.01x = 632,536.96 × 267,318.45
  4. Step 4: Simplify right side
    458,305.01x = 169,088,799,714.91
  5. Step 5: Solve for x
    x = 169,088,799,714.91/458,305.01
  6. Step 6: Final answer
    x = 368,943.82

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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.