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Finding the Fourth Proportional to 235,096.71, 324,654.89 and 163,672.04

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Solution

The fourth proportional to 235,096.71, 324,654.89 and 163,672.04 is: 226,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,096.71 : 324,654.89 = 163,672.04 : x
  2. Step 2: Convert to fraction form
    235,096.71/324,654.89 = 163,672.04/x
  3. Step 3: Cross multiply
    235,096.71x = 324,654.89 × 163,672.04
  4. Step 4: Simplify right side
    235,096.71x = 53,136,925,700.64
  5. Step 5: Solve for x
    x = 53,136,925,700.64/235,096.71
  6. Step 6: Final answer
    x = 226,021.56

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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.