Home / 438,110.60-657,165.90-269,820.95

Finding the Fourth Proportional to 438,110.60, 657,165.90 and 269,820.95

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Solution

The fourth proportional to 438,110.60, 657,165.90 and 269,820.95 is: 404,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,110.60 : 657,165.90 = 269,820.95 : x
  2. Step 2: Convert to fraction form
    438,110.60/657,165.90 = 269,820.95/x
  3. Step 3: Cross multiply
    438,110.60x = 657,165.90 × 269,820.95
  4. Step 4: Simplify right side
    438,110.60x = 177,317,127,445.61
  5. Step 5: Solve for x
    x = 177,317,127,445.61/438,110.60
  6. Step 6: Final answer
    x = 404,731.43

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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.