Home / 208,861.40-288,227.76-113,367.26

Finding the Fourth Proportional to 208,861.40, 288,227.76 and 113,367.26

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Solution

The fourth proportional to 208,861.40, 288,227.76 and 113,367.26 is: 156,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,861.40 : 288,227.76 = 113,367.26 : x
  2. Step 2: Convert to fraction form
    208,861.40/288,227.76 = 113,367.26/x
  3. Step 3: Cross multiply
    208,861.40x = 288,227.76 × 113,367.26
  4. Step 4: Simplify right side
    208,861.40x = 32,675,591,407.14
  5. Step 5: Solve for x
    x = 32,675,591,407.14/208,861.40
  6. Step 6: Final answer
    x = 156,446.29

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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.