Home / 215,002.20-322,406.10-96,612.60

Finding the Fourth Proportional to 215,002.20, 322,406.10 and 96,612.60

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Solution

The fourth proportional to 215,002.20, 322,406.10 and 96,612.60 is: 144,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,002.20 : 322,406.10 = 96,612.60 : x
  2. Step 2: Convert to fraction form
    215,002.20/322,406.10 = 96,612.60/x
  3. Step 3: Cross multiply
    215,002.20x = 322,406.10 × 96,612.60
  4. Step 4: Simplify right side
    215,002.20x = 31,148,491,576.86
  5. Step 5: Solve for x
    x = 31,148,491,576.86/215,002.20
  6. Step 6: Final answer
    x = 144,875.22

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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.