Home / 285,934.62-394,602.66-158,610.18

Finding the Fourth Proportional to 285,934.62, 394,602.66 and 158,610.18

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Solution

The fourth proportional to 285,934.62, 394,602.66 and 158,610.18 is: 218,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,934.62 : 394,602.66 = 158,610.18 : x
  2. Step 2: Convert to fraction form
    285,934.62/394,602.66 = 158,610.18/x
  3. Step 3: Cross multiply
    285,934.62x = 394,602.66 × 158,610.18
  4. Step 4: Simplify right side
    285,934.62x = 62,587,998,931.08
  5. Step 5: Solve for x
    x = 62,587,998,931.08/285,934.62
  6. Step 6: Final answer
    x = 218,889.20

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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.