Home / 347,096.70-520,839.45-147,383.10

Finding the Fourth Proportional to 347,096.70, 520,839.45 and 147,383.10

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Solution

The fourth proportional to 347,096.70, 520,839.45 and 147,383.10 is: 221,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,096.70 : 520,839.45 = 147,383.10 : x
  2. Step 2: Convert to fraction form
    347,096.70/520,839.45 = 147,383.10/x
  3. Step 3: Cross multiply
    347,096.70x = 520,839.45 × 147,383.10
  4. Step 4: Simplify right side
    347,096.70x = 76,762,932,743.30
  5. Step 5: Solve for x
    x = 76,762,932,743.30/347,096.70
  6. Step 6: Final answer
    x = 221,157.20

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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.