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Finding the Fourth Proportional to 228,877.74, 343,251 and 68,969.16

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Solution

The fourth proportional to 228,877.74, 343,251 and 68,969.16 is: 103,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,877.74 : 343,251 = 68,969.16 : x
  2. Step 2: Convert to fraction form
    228,877.74/343,251 = 68,969.16/x
  3. Step 3: Cross multiply
    228,877.74x = 343,251 × 68,969.16
  4. Step 4: Simplify right side
    228,877.74x = 23,673,733,139.16
  5. Step 5: Solve for x
    x = 23,673,733,139.16/228,877.74
  6. Step 6: Final answer
    x = 103,433.97

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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.