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Finding the Fourth Proportional to 269,742.45, 404,689.54 and 117,952.89

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Solution

The fourth proportional to 269,742.45, 404,689.54 and 117,952.89 is: 176,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,742.45 : 404,689.54 = 117,952.89 : x
  2. Step 2: Convert to fraction form
    269,742.45/404,689.54 = 117,952.89/x
  3. Step 3: Cross multiply
    269,742.45x = 404,689.54 × 117,952.89
  4. Step 4: Simplify right side
    269,742.45x = 47,734,300,795.77
  5. Step 5: Solve for x
    x = 47,734,300,795.77/269,742.45
  6. Step 6: Final answer
    x = 176,962.51

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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.