Home / 361,857.24-499,036.14-225,903.78

Finding the Fourth Proportional to 361,857.24, 499,036.14 and 225,903.78

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Solution

The fourth proportional to 361,857.24, 499,036.14 and 225,903.78 is: 311,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,857.24 : 499,036.14 = 225,903.78 : x
  2. Step 2: Convert to fraction form
    361,857.24/499,036.14 = 225,903.78/x
  3. Step 3: Cross multiply
    361,857.24x = 499,036.14 × 225,903.78
  4. Step 4: Simplify right side
    361,857.24x = 112,734,150,382.61
  5. Step 5: Solve for x
    x = 112,734,150,382.61/361,857.24
  6. Step 6: Final answer
    x = 311,543.17

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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.