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Finding the Fourth Proportional to 275,434.65, 413,119.17 and 75,775.32

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Solution

The fourth proportional to 275,434.65, 413,119.17 and 75,775.32 is: 113,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,434.65 : 413,119.17 = 75,775.32 : x
  2. Step 2: Convert to fraction form
    275,434.65/413,119.17 = 75,775.32/x
  3. Step 3: Cross multiply
    275,434.65x = 413,119.17 × 75,775.32
  4. Step 4: Simplify right side
    275,434.65x = 31,304,237,304.88
  5. Step 5: Solve for x
    x = 31,304,237,304.88/275,434.65
  6. Step 6: Final answer
    x = 113,653.95

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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.