Home / 541,288.20-812,126.70-225,841.80

Finding the Fourth Proportional to 541,288.20, 812,126.70 and 225,841.80

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Solution

The fourth proportional to 541,288.20, 812,126.70 and 225,841.80 is: 338,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,288.20 : 812,126.70 = 225,841.80 : x
  2. Step 2: Convert to fraction form
    541,288.20/812,126.70 = 225,841.80/x
  3. Step 3: Cross multiply
    541,288.20x = 812,126.70 × 225,841.80
  4. Step 4: Simplify right side
    541,288.20x = 183,412,155,756.06
  5. Step 5: Solve for x
    x = 183,412,155,756.06/541,288.20
  6. Step 6: Final answer
    x = 338,843.81

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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.