Home / 291,170.17-401,734.01-187,760.61

Finding the Fourth Proportional to 291,170.17, 401,734.01 and 187,760.61

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Solution

The fourth proportional to 291,170.17, 401,734.01 and 187,760.61 is: 259,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,170.17 : 401,734.01 = 187,760.61 : x
  2. Step 2: Convert to fraction form
    291,170.17/401,734.01 = 187,760.61/x
  3. Step 3: Cross multiply
    291,170.17x = 401,734.01 × 187,760.61
  4. Step 4: Simplify right side
    291,170.17x = 75,429,820,229.74
  5. Step 5: Solve for x
    x = 75,429,820,229.74/291,170.17
  6. Step 6: Final answer
    x = 259,057.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.