Home / 257,270.22-386,044.74-107,523.72

Finding the Fourth Proportional to 257,270.22, 386,044.74 and 107,523.72

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Solution

The fourth proportional to 257,270.22, 386,044.74 and 107,523.72 is: 161,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,270.22 : 386,044.74 = 107,523.72 : x
  2. Step 2: Convert to fraction form
    257,270.22/386,044.74 = 107,523.72/x
  3. Step 3: Cross multiply
    257,270.22x = 386,044.74 × 107,523.72
  4. Step 4: Simplify right side
    257,270.22x = 41,508,966,531.23
  5. Step 5: Solve for x
    x = 41,508,966,531.23/257,270.22
  6. Step 6: Final answer
    x = 161,343.85

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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.