Home / 215,711.24-323,357.88-82,488.92

Finding the Fourth Proportional to 215,711.24, 323,357.88 and 82,488.92

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Solution

The fourth proportional to 215,711.24, 323,357.88 and 82,488.92 is: 123,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,711.24 : 323,357.88 = 82,488.92 : x
  2. Step 2: Convert to fraction form
    215,711.24/323,357.88 = 82,488.92/x
  3. Step 3: Cross multiply
    215,711.24x = 323,357.88 × 82,488.92
  4. Step 4: Simplify right side
    215,711.24x = 26,673,442,294.69
  5. Step 5: Solve for x
    x = 26,673,442,294.69/215,711.24
  6. Step 6: Final answer
    x = 123,653.47

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1.5x scale

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.