Home / 322,766.57-445,511.66-215,336.34

Finding the Fourth Proportional to 322,766.57, 445,511.66 and 215,336.34

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Solution

The fourth proportional to 322,766.57, 445,511.66 and 215,336.34 is: 297,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,766.57 : 445,511.66 = 215,336.34 : x
  2. Step 2: Convert to fraction form
    322,766.57/445,511.66 = 215,336.34/x
  3. Step 3: Cross multiply
    322,766.57x = 445,511.66 × 215,336.34
  4. Step 4: Simplify right side
    322,766.57x = 95,934,849,215.04
  5. Step 5: Solve for x
    x = 95,934,849,215.04/322,766.57
  6. Step 6: Final answer
    x = 297,226.72

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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.