Home / 322,585.12-445,133.52-179,322.16

Finding the Fourth Proportional to 322,585.12, 445,133.52 and 179,322.16

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Solution

The fourth proportional to 322,585.12, 445,133.52 and 179,322.16 is: 247,445.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,585.12 : 445,133.52 = 179,322.16 : x
  2. Step 2: Convert to fraction form
    322,585.12/445,133.52 = 179,322.16/x
  3. Step 3: Cross multiply
    322,585.12x = 445,133.52 × 179,322.16
  4. Step 4: Simplify right side
    322,585.12x = 79,822,304,294.80
  5. Step 5: Solve for x
    x = 79,822,304,294.80/322,585.12
  6. Step 6: Final answer
    x = 247,445.71

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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.