Home / 457,723.56-686,416.80-158,127.24

Finding the Fourth Proportional to 457,723.56, 686,416.80 and 158,127.24

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Solution

The fourth proportional to 457,723.56, 686,416.80 and 158,127.24 is: 237,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,723.56 : 686,416.80 = 158,127.24 : x
  2. Step 2: Convert to fraction form
    457,723.56/686,416.80 = 158,127.24/x
  3. Step 3: Cross multiply
    457,723.56x = 686,416.80 × 158,127.24
  4. Step 4: Simplify right side
    457,723.56x = 108,541,194,073.63
  5. Step 5: Solve for x
    x = 108,541,194,073.63/457,723.56
  6. Step 6: Final answer
    x = 237,132.64

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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.