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Finding the Fourth Proportional to 252,998.64, 379,054.89 and 225,540.72

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Solution

The fourth proportional to 252,998.64, 379,054.89 and 225,540.72 is: 337,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,998.64 : 379,054.89 = 225,540.72 : x
  2. Step 2: Convert to fraction form
    252,998.64/379,054.89 = 225,540.72/x
  3. Step 3: Cross multiply
    252,998.64x = 379,054.89 × 225,540.72
  4. Step 4: Simplify right side
    252,998.64x = 85,492,312,810.12
  5. Step 5: Solve for x
    x = 85,492,312,810.12/252,998.64
  6. Step 6: Final answer
    x = 337,916.10

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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.