Home / 215,472.20-323,726.70-192,662.60

Finding the Fourth Proportional to 215,472.20, 323,726.70 and 192,662.60

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Solution

The fourth proportional to 215,472.20, 323,726.70 and 192,662.60 is: 289,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,472.20 : 323,726.70 = 192,662.60 : x
  2. Step 2: Convert to fraction form
    215,472.20/323,726.70 = 192,662.60/x
  3. Step 3: Cross multiply
    215,472.20x = 323,726.70 × 192,662.60
  4. Step 4: Simplify right side
    215,472.20x = 62,370,027,711.42
  5. Step 5: Solve for x
    x = 62,370,027,711.42/215,472.20
  6. Step 6: Final answer
    x = 289,457.42

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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.