Home / 208,860.28-288,219.46-113,364.94

Finding the Fourth Proportional to 208,860.28, 288,219.46 and 113,364.94

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Solution

The fourth proportional to 208,860.28, 288,219.46 and 113,364.94 is: 156,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,860.28 : 288,219.46 = 113,364.94 : x
  2. Step 2: Convert to fraction form
    208,860.28/288,219.46 = 113,364.94/x
  3. Step 3: Cross multiply
    208,860.28x = 288,219.46 × 113,364.94
  4. Step 4: Simplify right side
    208,860.28x = 32,673,981,789.73
  5. Step 5: Solve for x
    x = 32,673,981,789.73/208,860.28
  6. Step 6: Final answer
    x = 156,439.42

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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.