Home / 215,854.88-323,821.28-97,581.92

Finding the Fourth Proportional to 215,854.88, 323,821.28 and 97,581.92

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Solution

The fourth proportional to 215,854.88, 323,821.28 and 97,581.92 is: 146,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,854.88 : 323,821.28 = 97,581.92 : x
  2. Step 2: Convert to fraction form
    215,854.88/323,821.28 = 97,581.92/x
  3. Step 3: Cross multiply
    215,854.88x = 323,821.28 × 97,581.92
  4. Step 4: Simplify right side
    215,854.88x = 31,599,102,239.26
  5. Step 5: Solve for x
    x = 31,599,102,239.26/215,854.88
  6. Step 6: Final answer
    x = 146,390.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.