Home / 285,306.17-394,132.62-227,870.08

Finding the Fourth Proportional to 285,306.17, 394,132.62 and 227,870.08

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Solution

The fourth proportional to 285,306.17, 394,132.62 and 227,870.08 is: 314,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,306.17 : 394,132.62 = 227,870.08 : x
  2. Step 2: Convert to fraction form
    285,306.17/394,132.62 = 227,870.08/x
  3. Step 3: Cross multiply
    285,306.17x = 394,132.62 × 227,870.08
  4. Step 4: Simplify right side
    285,306.17x = 89,811,032,142.68
  5. Step 5: Solve for x
    x = 89,811,032,142.68/285,306.17
  6. Step 6: Final answer
    x = 314,788.26

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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.