Home / 272,338.10-408,944.55-205,853.30

Finding the Fourth Proportional to 272,338.10, 408,944.55 and 205,853.30

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Solution

The fourth proportional to 272,338.10, 408,944.55 and 205,853.30 is: 309,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,338.10 : 408,944.55 = 205,853.30 : x
  2. Step 2: Convert to fraction form
    272,338.10/408,944.55 = 205,853.30/x
  3. Step 3: Cross multiply
    272,338.10x = 408,944.55 × 205,853.30
  4. Step 4: Simplify right side
    272,338.10x = 84,182,585,134.52
  5. Step 5: Solve for x
    x = 84,182,585,134.52/272,338.10
  6. Step 6: Final answer
    x = 309,110.57

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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.