Home / 272,326.20-408,489.30-197,093.40

Finding the Fourth Proportional to 272,326.20, 408,489.30 and 197,093.40

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Solution

The fourth proportional to 272,326.20, 408,489.30 and 197,093.40 is: 295,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,326.20 : 408,489.30 = 197,093.40 : x
  2. Step 2: Convert to fraction form
    272,326.20/408,489.30 = 197,093.40/x
  3. Step 3: Cross multiply
    272,326.20x = 408,489.30 × 197,093.40
  4. Step 4: Simplify right side
    272,326.20x = 80,510,545,000.62
  5. Step 5: Solve for x
    x = 80,510,545,000.62/272,326.20
  6. Step 6: Final answer
    x = 295,640.10

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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.