Home / 625,297.92-937,939.20-151,982.72

Finding the Fourth Proportional to 625,297.92, 937,939.20 and 151,982.72

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Solution

The fourth proportional to 625,297.92, 937,939.20 and 151,982.72 is: 227,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,297.92 : 937,939.20 = 151,982.72 : x
  2. Step 2: Convert to fraction form
    625,297.92/937,939.20 = 151,982.72/x
  3. Step 3: Cross multiply
    625,297.92x = 937,939.20 × 151,982.72
  4. Step 4: Simplify right side
    625,297.92x = 142,550,550,810.62
  5. Step 5: Solve for x
    x = 142,550,550,810.62/625,297.92
  6. Step 6: Final answer
    x = 227,972.21

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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.