Home / 270,471.24-405,701.82-80,931.72

Finding the Fourth Proportional to 270,471.24, 405,701.82 and 80,931.72

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Solution

The fourth proportional to 270,471.24, 405,701.82 and 80,931.72 is: 121,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,471.24 : 405,701.82 = 80,931.72 : x
  2. Step 2: Convert to fraction form
    270,471.24/405,701.82 = 80,931.72/x
  3. Step 3: Cross multiply
    270,471.24x = 405,701.82 × 80,931.72
  4. Step 4: Simplify right side
    270,471.24x = 32,834,146,099.73
  5. Step 5: Solve for x
    x = 32,834,146,099.73/270,471.24
  6. Step 6: Final answer
    x = 121,396.07

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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.