Home / 211,789.26-317,684.03-132,958.85

Finding the Fourth Proportional to 211,789.26, 317,684.03 and 132,958.85

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Solution

The fourth proportional to 211,789.26, 317,684.03 and 132,958.85 is: 199,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,789.26 : 317,684.03 = 132,958.85 : x
  2. Step 2: Convert to fraction form
    211,789.26/317,684.03 = 132,958.85/x
  3. Step 3: Cross multiply
    211,789.26x = 317,684.03 × 132,958.85
  4. Step 4: Simplify right side
    211,789.26x = 42,238,901,038.95
  5. Step 5: Solve for x
    x = 42,238,901,038.95/211,789.26
  6. Step 6: Final answer
    x = 199,438.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.