Home / 208,869.48-288,245.94-113,382.24

Finding the Fourth Proportional to 208,869.48, 288,245.94 and 113,382.24

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Solution

The fourth proportional to 208,869.48, 288,245.94 and 113,382.24 is: 156,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,869.48 : 288,245.94 = 113,382.24 : x
  2. Step 2: Convert to fraction form
    208,869.48/288,245.94 = 113,382.24/x
  3. Step 3: Cross multiply
    208,869.48x = 288,245.94 × 113,382.24
  4. Step 4: Simplify right side
    208,869.48x = 32,681,970,348.11
  5. Step 5: Solve for x
    x = 32,681,970,348.11/208,869.48
  6. Step 6: Final answer
    x = 156,470.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.