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Finding the Fourth Proportional to 279,414.39, 419,117.49 and 69,052.32

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Solution

The fourth proportional to 279,414.39, 419,117.49 and 69,052.32 is: 103,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,414.39 : 419,117.49 = 69,052.32 : x
  2. Step 2: Convert to fraction form
    279,414.39/419,117.49 = 69,052.32/x
  3. Step 3: Cross multiply
    279,414.39x = 419,117.49 × 69,052.32
  4. Step 4: Simplify right side
    279,414.39x = 28,941,035,037.08
  5. Step 5: Solve for x
    x = 28,941,035,037.08/279,414.39
  6. Step 6: Final answer
    x = 103,577.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.