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Finding the Fourth Proportional to 372,716.82, 514,335.24 and 227,764.98

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Solution

The fourth proportional to 372,716.82, 514,335.24 and 227,764.98 is: 314,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,716.82 : 514,335.24 = 227,764.98 : x
  2. Step 2: Convert to fraction form
    372,716.82/514,335.24 = 227,764.98/x
  3. Step 3: Cross multiply
    372,716.82x = 514,335.24 × 227,764.98
  4. Step 4: Simplify right side
    372,716.82x = 117,147,555,651.90
  5. Step 5: Solve for x
    x = 117,147,555,651.90/372,716.82
  6. Step 6: Final answer
    x = 314,307.13

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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.