Home / 208,804.28-288,150.66-113,310.95

Finding the Fourth Proportional to 208,804.28, 288,150.66 and 113,310.95

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Solution

The fourth proportional to 208,804.28, 288,150.66 and 113,310.95 is: 156,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,804.28 : 288,150.66 = 113,310.95 : x
  2. Step 2: Convert to fraction form
    208,804.28/288,150.66 = 113,310.95/x
  3. Step 3: Cross multiply
    208,804.28x = 288,150.66 × 113,310.95
  4. Step 4: Simplify right side
    208,804.28x = 32,650,625,027.73
  5. Step 5: Solve for x
    x = 32,650,625,027.73/208,804.28
  6. Step 6: Final answer
    x = 156,369.52

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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.