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Finding the Fourth Proportional to 451,371.88, 677,123.16 and 240,895

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Solution

The fourth proportional to 451,371.88, 677,123.16 and 240,895 is: 361,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,371.88 : 677,123.16 = 240,895 : x
  2. Step 2: Convert to fraction form
    451,371.88/677,123.16 = 240,895/x
  3. Step 3: Cross multiply
    451,371.88x = 677,123.16 × 240,895
  4. Step 4: Simplify right side
    451,371.88x = 163,115,583,628.20
  5. Step 5: Solve for x
    x = 163,115,583,628.20/451,371.88
  6. Step 6: Final answer
    x = 361,377.37

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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.