Home / 448,670.22-619,149.79-267,288.20

Finding the Fourth Proportional to 448,670.22, 619,149.79 and 267,288.20

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Solution

The fourth proportional to 448,670.22, 619,149.79 and 267,288.20 is: 368,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,670.22 : 619,149.79 = 267,288.20 : x
  2. Step 2: Convert to fraction form
    448,670.22/619,149.79 = 267,288.20/x
  3. Step 3: Cross multiply
    448,670.22x = 619,149.79 × 267,288.20
  4. Step 4: Simplify right side
    448,670.22x = 165,491,432,899.48
  5. Step 5: Solve for x
    x = 165,491,432,899.48/448,670.22
  6. Step 6: Final answer
    x = 368,848.71

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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.