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Finding the Fourth Proportional to 202,449.42, 279,414.42 and 117,615.72

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Solution

The fourth proportional to 202,449.42, 279,414.42 and 117,615.72 is: 162,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,449.42 : 279,414.42 = 117,615.72 : x
  2. Step 2: Convert to fraction form
    202,449.42/279,414.42 = 117,615.72/x
  3. Step 3: Cross multiply
    202,449.42x = 279,414.42 × 117,615.72
  4. Step 4: Simplify right side
    202,449.42x = 32,863,528,186.68
  5. Step 5: Solve for x
    x = 32,863,528,186.68/202,449.42
  6. Step 6: Final answer
    x = 162,329.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.