Home / 272,330.10-408,932.55-205,845.30

Finding the Fourth Proportional to 272,330.10, 408,932.55 and 205,845.30

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Solution

The fourth proportional to 272,330.10, 408,932.55 and 205,845.30 is: 309,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,330.10 : 408,932.55 = 205,845.30 : x
  2. Step 2: Convert to fraction form
    272,330.10/408,932.55 = 205,845.30/x
  3. Step 3: Cross multiply
    272,330.10x = 408,932.55 × 205,845.30
  4. Step 4: Simplify right side
    272,330.10x = 84,176,843,434.52
  5. Step 5: Solve for x
    x = 84,176,843,434.52/272,330.10
  6. Step 6: Final answer
    x = 309,098.57

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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.