Home / 215,255.18-322,881.68-55,330.94

Finding the Fourth Proportional to 215,255.18, 322,881.68 and 55,330.94

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Solution

The fourth proportional to 215,255.18, 322,881.68 and 55,330.94 is: 82,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,255.18 : 322,881.68 = 55,330.94 : x
  2. Step 2: Convert to fraction form
    215,255.18/322,881.68 = 55,330.94/x
  3. Step 3: Cross multiply
    215,255.18x = 322,881.68 × 55,330.94
  4. Step 4: Simplify right side
    215,255.18x = 17,865,346,863.18
  5. Step 5: Solve for x
    x = 17,865,346,863.18/215,255.18
  6. Step 6: Final answer
    x = 82,996.13

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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.