Home / 347,090.44-478,981.20-194,126.80

Finding the Fourth Proportional to 347,090.44, 478,981.20 and 194,126.80

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Solution

The fourth proportional to 347,090.44, 478,981.20 and 194,126.80 is: 267,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,090.44 : 478,981.20 = 194,126.80 : x
  2. Step 2: Convert to fraction form
    347,090.44/478,981.20 = 194,126.80/x
  3. Step 3: Cross multiply
    347,090.44x = 478,981.20 × 194,126.80
  4. Step 4: Simplify right side
    347,090.44x = 92,983,087,616.16
  5. Step 5: Solve for x
    x = 92,983,087,616.16/347,090.44
  6. Step 6: Final answer
    x = 267,892.97

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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.