Home / 208,826.39-288,180.65-113,333.15

Finding the Fourth Proportional to 208,826.39, 288,180.65 and 113,333.15

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Solution

The fourth proportional to 208,826.39, 288,180.65 and 113,333.15 is: 156,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,826.39 : 288,180.65 = 113,333.15 : x
  2. Step 2: Convert to fraction form
    208,826.39/288,180.65 = 113,333.15/x
  3. Step 3: Cross multiply
    208,826.39x = 288,180.65 × 113,333.15
  4. Step 4: Simplify right side
    208,826.39x = 32,660,420,833.55
  5. Step 5: Solve for x
    x = 32,660,420,833.55/208,826.39
  6. Step 6: Final answer
    x = 156,399.87

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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.