Home / 209,249.28-288,760.58-113,758.38

Finding the Fourth Proportional to 209,249.28, 288,760.58 and 113,758.38

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Solution

The fourth proportional to 209,249.28, 288,760.58 and 113,758.38 is: 156,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,249.28 : 288,760.58 = 113,758.38 : x
  2. Step 2: Convert to fraction form
    209,249.28/288,760.58 = 113,758.38/x
  3. Step 3: Cross multiply
    209,249.28x = 288,760.58 × 113,758.38
  4. Step 4: Simplify right side
    209,249.28x = 32,848,935,788.66
  5. Step 5: Solve for x
    x = 32,848,935,788.66/209,249.28
  6. Step 6: Final answer
    x = 156,984.70

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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.