Home / 272,623.10-408,934.65-75,631.10

Finding the Fourth Proportional to 272,623.10, 408,934.65 and 75,631.10

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Solution

The fourth proportional to 272,623.10, 408,934.65 and 75,631.10 is: 113,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,623.10 : 408,934.65 = 75,631.10 : x
  2. Step 2: Convert to fraction form
    272,623.10/408,934.65 = 75,631.10/x
  3. Step 3: Cross multiply
    272,623.10x = 408,934.65 × 75,631.10
  4. Step 4: Simplify right side
    272,623.10x = 30,928,177,407.62
  5. Step 5: Solve for x
    x = 30,928,177,407.62/272,623.10
  6. Step 6: Final answer
    x = 113,446.65

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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.