Home / 322,743.08-445,382.94-177,545.72

Finding the Fourth Proportional to 322,743.08, 445,382.94 and 177,545.72

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Solution

The fourth proportional to 322,743.08, 445,382.94 and 177,545.72 is: 245,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,743.08 : 445,382.94 = 177,545.72 : x
  2. Step 2: Convert to fraction form
    322,743.08/445,382.94 = 177,545.72/x
  3. Step 3: Cross multiply
    322,743.08x = 445,382.94 × 177,545.72
  4. Step 4: Simplify right side
    322,743.08x = 79,075,834,758.02
  5. Step 5: Solve for x
    x = 79,075,834,758.02/322,743.08
  6. Step 6: Final answer
    x = 245,011.71

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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.