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Finding the Fourth Proportional to 341,344.14, 511,847.72 and 104,629.74

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Solution

The fourth proportional to 341,344.14, 511,847.72 and 104,629.74 is: 156,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,344.14 : 511,847.72 = 104,629.74 : x
  2. Step 2: Convert to fraction form
    341,344.14/511,847.72 = 104,629.74/x
  3. Step 3: Cross multiply
    341,344.14x = 511,847.72 × 104,629.74
  4. Step 4: Simplify right side
    341,344.14x = 53,554,493,340.04
  5. Step 5: Solve for x
    x = 53,554,493,340.04/341,344.14
  6. Step 6: Final answer
    x = 156,892.96

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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.