Home / 347,044.30-478,945.55-194,096.72

Finding the Fourth Proportional to 347,044.30, 478,945.55 and 194,096.72

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Solution

The fourth proportional to 347,044.30, 478,945.55 and 194,096.72 is: 267,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,044.30 : 478,945.55 = 194,096.72 : x
  2. Step 2: Convert to fraction form
    347,044.30/478,945.55 = 194,096.72/x
  3. Step 3: Cross multiply
    347,044.30x = 478,945.55 × 194,096.72
  4. Step 4: Simplify right side
    347,044.30x = 92,961,761,996.20
  5. Step 5: Solve for x
    x = 92,961,761,996.20/347,044.30
  6. Step 6: Final answer
    x = 267,867.14

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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.