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Finding the Fourth Proportional to 361,757.36, 499,472.56 and 225,998.16

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Solution

The fourth proportional to 361,757.36, 499,472.56 and 225,998.16 is: 312,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,757.36 : 499,472.56 = 225,998.16 : x
  2. Step 2: Convert to fraction form
    361,757.36/499,472.56 = 225,998.16/x
  3. Step 3: Cross multiply
    361,757.36x = 499,472.56 × 225,998.16
  4. Step 4: Simplify right side
    361,757.36x = 112,879,879,530.49
  5. Step 5: Solve for x
    x = 112,879,879,530.49/361,757.36
  6. Step 6: Final answer
    x = 312,032.02

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1.5x scale

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.