Home / 461,242.06-636,486.60-267,634.78

Finding the Fourth Proportional to 461,242.06, 636,486.60 and 267,634.78

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Solution

The fourth proportional to 461,242.06, 636,486.60 and 267,634.78 is: 369,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,242.06 : 636,486.60 = 267,634.78 : x
  2. Step 2: Convert to fraction form
    461,242.06/636,486.60 = 267,634.78/x
  3. Step 3: Cross multiply
    461,242.06x = 636,486.60 × 267,634.78
  4. Step 4: Simplify right side
    461,242.06x = 170,345,951,163.95
  5. Step 5: Solve for x
    x = 170,345,951,163.95/461,242.06
  6. Step 6: Final answer
    x = 369,320.07

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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.