Home / 215,712.02-323,568.75-65,951.72

Finding the Fourth Proportional to 215,712.02, 323,568.75 and 65,951.72

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Solution

The fourth proportional to 215,712.02, 323,568.75 and 65,951.72 is: 98,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,712.02 : 323,568.75 = 65,951.72 : x
  2. Step 2: Convert to fraction form
    215,712.02/323,568.75 = 65,951.72/x
  3. Step 3: Cross multiply
    215,712.02x = 323,568.75 × 65,951.72
  4. Step 4: Simplify right side
    215,712.02x = 21,339,915,600.75
  5. Step 5: Solve for x
    x = 21,339,915,600.75/215,712.02
  6. Step 6: Final answer
    x = 98,927.80

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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.