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Finding the Fourth Proportional to 228,868.84, 343,398 and 123,563.96

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Solution

The fourth proportional to 228,868.84, 343,398 and 123,563.96 is: 185,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,868.84 : 343,398 = 123,563.96 : x
  2. Step 2: Convert to fraction form
    228,868.84/343,398 = 123,563.96/x
  3. Step 3: Cross multiply
    228,868.84x = 343,398 × 123,563.96
  4. Step 4: Simplify right side
    228,868.84x = 42,431,616,736.08
  5. Step 5: Solve for x
    x = 42,431,616,736.08/228,868.84
  6. Step 6: Final answer
    x = 185,397.09

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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.