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Finding the Fourth Proportional to 281,038.32, 387,847.08 and 166,382.76

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Solution

The fourth proportional to 281,038.32, 387,847.08 and 166,382.76 is: 229,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,038.32 : 387,847.08 = 166,382.76 : x
  2. Step 2: Convert to fraction form
    281,038.32/387,847.08 = 166,382.76/x
  3. Step 3: Cross multiply
    281,038.32x = 387,847.08 × 166,382.76
  4. Step 4: Simplify right side
    281,038.32x = 64,531,067,628.34
  5. Step 5: Solve for x
    x = 64,531,067,628.34/281,038.32
  6. Step 6: Final answer
    x = 229,616.61

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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.