Home / 457,233.24-685,836.90-157,708.20

Finding the Fourth Proportional to 457,233.24, 685,836.90 and 157,708.20

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Solution

The fourth proportional to 457,233.24, 685,836.90 and 157,708.20 is: 236,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,233.24 : 685,836.90 = 157,708.20 : x
  2. Step 2: Convert to fraction form
    457,233.24/685,836.90 = 157,708.20/x
  3. Step 3: Cross multiply
    457,233.24x = 685,836.90 × 157,708.20
  4. Step 4: Simplify right side
    457,233.24x = 108,162,102,992.58
  5. Step 5: Solve for x
    x = 108,162,102,992.58/457,233.24
  6. Step 6: Final answer
    x = 236,557.83

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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.