Home / 279,747.42-386,052.29-158,889.70

Finding the Fourth Proportional to 279,747.42, 386,052.29 and 158,889.70

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Solution

The fourth proportional to 279,747.42, 386,052.29 and 158,889.70 is: 219,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,747.42 : 386,052.29 = 158,889.70 : x
  2. Step 2: Convert to fraction form
    279,747.42/386,052.29 = 158,889.70/x
  3. Step 3: Cross multiply
    279,747.42x = 386,052.29 × 158,889.70
  4. Step 4: Simplify right side
    279,747.42x = 61,339,732,542.41
  5. Step 5: Solve for x
    x = 61,339,732,542.41/279,747.42
  6. Step 6: Final answer
    x = 219,268.27

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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.