Home / 754,131.52-1,131,206.24-193,151.04

Finding the Fourth Proportional to 754,131.52, 1,131,206.24 and 193,151.04

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Solution

The fourth proportional to 754,131.52, 1,131,206.24 and 193,151.04 is: 289,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,131.52 : 1,131,206.24 = 193,151.04 : x
  2. Step 2: Convert to fraction form
    754,131.52/1,131,206.24 = 193,151.04/x
  3. Step 3: Cross multiply
    754,131.52x = 1,131,206.24 × 193,151.04
  4. Step 4: Simplify right side
    754,131.52x = 218,493,661,710.49
  5. Step 5: Solve for x
    x = 218,493,661,710.49/754,131.52
  6. Step 6: Final answer
    x = 289,728.85

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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.