Home / 272,237.20-408,744.60-206,141.20

Finding the Fourth Proportional to 272,237.20, 408,744.60 and 206,141.20

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Solution

The fourth proportional to 272,237.20, 408,744.60 and 206,141.20 is: 309,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,237.20 : 408,744.60 = 206,141.20 : x
  2. Step 2: Convert to fraction form
    272,237.20/408,744.60 = 206,141.20/x
  3. Step 3: Cross multiply
    272,237.20x = 408,744.60 × 206,141.20
  4. Step 4: Simplify right side
    272,237.20x = 84,259,102,337.52
  5. Step 5: Solve for x
    x = 84,259,102,337.52/272,237.20
  6. Step 6: Final answer
    x = 309,506.20

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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.