Home / 208,949.05-288,350.77-113,455.72

Finding the Fourth Proportional to 208,949.05, 288,350.77 and 113,455.72

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Solution

The fourth proportional to 208,949.05, 288,350.77 and 113,455.72 is: 156,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,949.05 : 288,350.77 = 113,455.72 : x
  2. Step 2: Convert to fraction form
    208,949.05/288,350.77 = 113,455.72/x
  3. Step 3: Cross multiply
    208,949.05x = 288,350.77 × 113,455.72
  4. Step 4: Simplify right side
    208,949.05x = 32,715,042,781.15
  5. Step 5: Solve for x
    x = 32,715,042,781.15/208,949.05
  6. Step 6: Final answer
    x = 156,569.48

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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.