Home / 347,020.60-478,885.15-194,057.04

Finding the Fourth Proportional to 347,020.60, 478,885.15 and 194,057.04

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Solution

The fourth proportional to 347,020.60, 478,885.15 and 194,057.04 is: 267,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,020.60 : 478,885.15 = 194,057.04 : x
  2. Step 2: Convert to fraction form
    347,020.60/478,885.15 = 194,057.04/x
  3. Step 3: Cross multiply
    347,020.60x = 478,885.15 × 194,057.04
  4. Step 4: Simplify right side
    347,020.60x = 92,931,034,223.81
  5. Step 5: Solve for x
    x = 92,931,034,223.81/347,020.60
  6. Step 6: Final answer
    x = 267,796.88

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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.