Home / 216,176.40-323,827.20-149,691.60

Finding the Fourth Proportional to 216,176.40, 323,827.20 and 149,691.60

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Solution

The fourth proportional to 216,176.40, 323,827.20 and 149,691.60 is: 224,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,176.40 : 323,827.20 = 149,691.60 : x
  2. Step 2: Convert to fraction form
    216,176.40/323,827.20 = 149,691.60/x
  3. Step 3: Cross multiply
    216,176.40x = 323,827.20 × 149,691.60
  4. Step 4: Simplify right side
    216,176.40x = 48,474,211,691.52
  5. Step 5: Solve for x
    x = 48,474,211,691.52/216,176.40
  6. Step 6: Final answer
    x = 224,234.52

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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.