Home / 250,048.80-375,452.28-218,439.36

Finding the Fourth Proportional to 250,048.80, 375,452.28 and 218,439.36

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Solution

The fourth proportional to 250,048.80, 375,452.28 and 218,439.36 is: 327,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,048.80 : 375,452.28 = 218,439.36 : x
  2. Step 2: Convert to fraction form
    250,048.80/375,452.28 = 218,439.36/x
  3. Step 3: Cross multiply
    250,048.80x = 375,452.28 × 218,439.36
  4. Step 4: Simplify right side
    250,048.80x = 82,013,555,753.74
  5. Step 5: Solve for x
    x = 82,013,555,753.74/250,048.80
  6. Step 6: Final answer
    x = 327,990.20

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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.