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Finding the Fourth Proportional to 439,092.79, 658,860.51 and 173,044.24

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Solution

The fourth proportional to 439,092.79, 658,860.51 and 173,044.24 is: 259,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,092.79 : 658,860.51 = 173,044.24 : x
  2. Step 2: Convert to fraction form
    439,092.79/658,860.51 = 173,044.24/x
  3. Step 3: Cross multiply
    439,092.79x = 658,860.51 × 173,044.24
  4. Step 4: Simplify right side
    439,092.79x = 114,012,016,218.96
  5. Step 5: Solve for x
    x = 114,012,016,218.96/439,092.79
  6. Step 6: Final answer
    x = 259,653.58

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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.