Home / 413,272.20-619,391.70-176,338.20

Finding the Fourth Proportional to 413,272.20, 619,391.70 and 176,338.20

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Solution

The fourth proportional to 413,272.20, 619,391.70 and 176,338.20 is: 264,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,272.20 : 619,391.70 = 176,338.20 : x
  2. Step 2: Convert to fraction form
    413,272.20/619,391.70 = 176,338.20/x
  3. Step 3: Cross multiply
    413,272.20x = 619,391.70 × 176,338.20
  4. Step 4: Simplify right side
    413,272.20x = 109,222,417,472.94
  5. Step 5: Solve for x
    x = 109,222,417,472.94/413,272.20
  6. Step 6: Final answer
    x = 264,286.87

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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.