Home / 457,006.12-685,541.82-141,422.44

Finding the Fourth Proportional to 457,006.12, 685,541.82 and 141,422.44

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Solution

The fourth proportional to 457,006.12, 685,541.82 and 141,422.44 is: 212,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,006.12 : 685,541.82 = 141,422.44 : x
  2. Step 2: Convert to fraction form
    457,006.12/685,541.82 = 141,422.44/x
  3. Step 3: Cross multiply
    457,006.12x = 685,541.82 × 141,422.44
  4. Step 4: Simplify right side
    457,006.12x = 96,950,996,906.44
  5. Step 5: Solve for x
    x = 96,950,996,906.44/457,006.12
  6. Step 6: Final answer
    x = 212,143.76

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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.