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Finding the Fourth Proportional to 322,560.39, 445,148.52 and 179,322.82

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Solution

The fourth proportional to 322,560.39, 445,148.52 and 179,322.82 is: 247,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,560.39 : 445,148.52 = 179,322.82 : x
  2. Step 2: Convert to fraction form
    322,560.39/445,148.52 = 179,322.82/x
  3. Step 3: Cross multiply
    322,560.39x = 445,148.52 × 179,322.82
  4. Step 4: Simplify right side
    322,560.39x = 79,825,287,925.23
  5. Step 5: Solve for x
    x = 79,825,287,925.23/322,560.39
  6. Step 6: Final answer
    x = 247,473.93

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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.