Home / 347,921.28-522,089.28-126,322.56

Finding the Fourth Proportional to 347,921.28, 522,089.28 and 126,322.56

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Solution

The fourth proportional to 347,921.28, 522,089.28 and 126,322.56 is: 189,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,921.28 : 522,089.28 = 126,322.56 : x
  2. Step 2: Convert to fraction form
    347,921.28/522,089.28 = 126,322.56/x
  3. Step 3: Cross multiply
    347,921.28x = 522,089.28 × 126,322.56
  4. Step 4: Simplify right side
    347,921.28x = 65,951,654,398.16
  5. Step 5: Solve for x
    x = 65,951,654,398.16/347,921.28
  6. Step 6: Final answer
    x = 189,559.13

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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.