Home / 340,581.78-469,997.28-187,634.52

Finding the Fourth Proportional to 340,581.78, 469,997.28 and 187,634.52

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Solution

The fourth proportional to 340,581.78, 469,997.28 and 187,634.52 is: 258,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,581.78 : 469,997.28 = 187,634.52 : x
  2. Step 2: Convert to fraction form
    340,581.78/469,997.28 = 187,634.52/x
  3. Step 3: Cross multiply
    340,581.78x = 469,997.28 × 187,634.52
  4. Step 4: Simplify right side
    340,581.78x = 88,187,714,034.11
  5. Step 5: Solve for x
    x = 88,187,714,034.11/340,581.78
  6. Step 6: Final answer
    x = 258,932.57

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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.