Home / 801,082.71-1,201,471.08-240,117.21

Finding the Fourth Proportional to 801,082.71, 1,201,471.08 and 240,117.21

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Solution

The fourth proportional to 801,082.71, 1,201,471.08 and 240,117.21 is: 360,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,082.71 : 1,201,471.08 = 240,117.21 : x
  2. Step 2: Convert to fraction form
    801,082.71/1,201,471.08 = 240,117.21/x
  3. Step 3: Cross multiply
    801,082.71x = 1,201,471.08 × 240,117.21
  4. Step 4: Simplify right side
    801,082.71x = 288,493,883,625.29
  5. Step 5: Solve for x
    x = 288,493,883,625.29/801,082.71
  6. Step 6: Final answer
    x = 360,129.96

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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.