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Finding the Fourth Proportional to 458,682.80, 632,871.48 and 267,587.12

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Solution

The fourth proportional to 458,682.80, 632,871.48 and 267,587.12 is: 369,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,682.80 : 632,871.48 = 267,587.12 : x
  2. Step 2: Convert to fraction form
    458,682.80/632,871.48 = 267,587.12/x
  3. Step 3: Cross multiply
    458,682.80x = 632,871.48 × 267,587.12
  4. Step 4: Simplify right side
    458,682.80x = 169,348,256,663.34
  5. Step 5: Solve for x
    x = 169,348,256,663.34/458,682.80
  6. Step 6: Final answer
    x = 369,205.60

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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.