Home / 361,862.24-499,043.04-225,908.78

Finding the Fourth Proportional to 361,862.24, 499,043.04 and 225,908.78

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Solution

The fourth proportional to 361,862.24, 499,043.04 and 225,908.78 is: 311,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,862.24 : 499,043.04 = 225,908.78 : x
  2. Step 2: Convert to fraction form
    361,862.24/499,043.04 = 225,908.78/x
  3. Step 3: Cross multiply
    361,862.24x = 499,043.04 × 225,908.78
  4. Step 4: Simplify right side
    361,862.24x = 112,738,204,333.89
  5. Step 5: Solve for x
    x = 112,738,204,333.89/361,862.24
  6. Step 6: Final answer
    x = 311,550.06

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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.