Home / 285,983.92-394,705.02-158,700.52

Finding the Fourth Proportional to 285,983.92, 394,705.02 and 158,700.52

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Solution

The fourth proportional to 285,983.92, 394,705.02 and 158,700.52 is: 219,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,983.92 : 394,705.02 = 158,700.52 : x
  2. Step 2: Convert to fraction form
    285,983.92/394,705.02 = 158,700.52/x
  3. Step 3: Cross multiply
    285,983.92x = 394,705.02 × 158,700.52
  4. Step 4: Simplify right side
    285,983.92x = 62,639,891,920.61
  5. Step 5: Solve for x
    x = 62,639,891,920.61/285,983.92
  6. Step 6: Final answer
    x = 219,032.92

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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.