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Finding the Fourth Proportional to 325,843.73, 449,641.53 and 180,648.17

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Solution

The fourth proportional to 325,843.73, 449,641.53 and 180,648.17 is: 249,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,843.73 : 449,641.53 = 180,648.17 : x
  2. Step 2: Convert to fraction form
    325,843.73/449,641.53 = 180,648.17/x
  3. Step 3: Cross multiply
    325,843.73x = 449,641.53 × 180,648.17
  4. Step 4: Simplify right side
    325,843.73x = 81,226,919,550.50
  5. Step 5: Solve for x
    x = 81,226,919,550.50/325,843.73
  6. Step 6: Final answer
    x = 249,281.82

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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.