Home / 272,378.28-408,566.10-69,974.22

Finding the Fourth Proportional to 272,378.28, 408,566.10 and 69,974.22

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Solution

The fourth proportional to 272,378.28, 408,566.10 and 69,974.22 is: 104,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,378.28 : 408,566.10 = 69,974.22 : x
  2. Step 2: Convert to fraction form
    272,378.28/408,566.10 = 69,974.22/x
  3. Step 3: Cross multiply
    272,378.28x = 408,566.10 × 69,974.22
  4. Step 4: Simplify right side
    272,378.28x = 28,589,094,165.94
  5. Step 5: Solve for x
    x = 28,589,094,165.94/272,378.28
  6. Step 6: Final answer
    x = 104,960.99

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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.