Home / 329,620.59-454,747.77-215,033.94

Finding the Fourth Proportional to 329,620.59, 454,747.77 and 215,033.94

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Solution

The fourth proportional to 329,620.59, 454,747.77 and 215,033.94 is: 296,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,620.59 : 454,747.77 = 215,033.94 : x
  2. Step 2: Convert to fraction form
    329,620.59/454,747.77 = 215,033.94/x
  3. Step 3: Cross multiply
    329,620.59x = 454,747.77 × 215,033.94
  4. Step 4: Simplify right side
    329,620.59x = 97,786,204,689.31
  5. Step 5: Solve for x
    x = 97,786,204,689.31/329,620.59
  6. Step 6: Final answer
    x = 296,662.91

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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.