Home / 218,845.57-328,145.23-69,057.94

Finding the Fourth Proportional to 218,845.57, 328,145.23 and 69,057.94

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Solution

The fourth proportional to 218,845.57, 328,145.23 and 69,057.94 is: 103,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,845.57 : 328,145.23 = 69,057.94 : x
  2. Step 2: Convert to fraction form
    218,845.57/328,145.23 = 69,057.94/x
  3. Step 3: Cross multiply
    218,845.57x = 328,145.23 × 69,057.94
  4. Step 4: Simplify right side
    218,845.57x = 22,661,033,604.63
  5. Step 5: Solve for x
    x = 22,661,033,604.63/218,845.57
  6. Step 6: Final answer
    x = 103,548.06

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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.