Home / 217,464.11-325,928.45-103,671.87

Finding the Fourth Proportional to 217,464.11, 325,928.45 and 103,671.87

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Solution

The fourth proportional to 217,464.11, 325,928.45 and 103,671.87 is: 155,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,464.11 : 325,928.45 = 103,671.87 : x
  2. Step 2: Convert to fraction form
    217,464.11/325,928.45 = 103,671.87/x
  3. Step 3: Cross multiply
    217,464.11x = 325,928.45 × 103,671.87
  4. Step 4: Simplify right side
    217,464.11x = 33,789,611,379.34
  5. Step 5: Solve for x
    x = 33,789,611,379.34/217,464.11
  6. Step 6: Final answer
    x = 155,380.18

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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.