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Finding the Fourth Proportional to 295,787.93, 443,504.17 and 115,658.76

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Solution

The fourth proportional to 295,787.93, 443,504.17 and 115,658.76 is: 173,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,787.93 : 443,504.17 = 115,658.76 : x
  2. Step 2: Convert to fraction form
    295,787.93/443,504.17 = 115,658.76/x
  3. Step 3: Cross multiply
    295,787.93x = 443,504.17 × 115,658.76
  4. Step 4: Simplify right side
    295,787.93x = 51,295,142,357.03
  5. Step 5: Solve for x
    x = 51,295,142,357.03/295,787.93
  6. Step 6: Final answer
    x = 173,418.65

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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.