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Finding the Fourth Proportional to 169,691.72, 254,536.65 and 41,606.42

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Solution

The fourth proportional to 169,691.72, 254,536.65 and 41,606.42 is: 62,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,691.72 : 254,536.65 = 41,606.42 : x
  2. Step 2: Convert to fraction form
    169,691.72/254,536.65 = 41,606.42/x
  3. Step 3: Cross multiply
    169,691.72x = 254,536.65 × 41,606.42
  4. Step 4: Simplify right side
    169,691.72x = 10,590,357,492.61
  5. Step 5: Solve for x
    x = 10,590,357,492.61/169,691.72
  6. Step 6: Final answer
    x = 62,409.40

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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.