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Finding the Fourth Proportional to 544,009.80, 815,723.10 and 228,109.80

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Solution

The fourth proportional to 544,009.80, 815,723.10 and 228,109.80 is: 342,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,009.80 : 815,723.10 = 228,109.80 : x
  2. Step 2: Convert to fraction form
    544,009.80/815,723.10 = 228,109.80/x
  3. Step 3: Cross multiply
    544,009.80x = 815,723.10 × 228,109.80
  4. Step 4: Simplify right side
    544,009.80x = 186,074,433,196.38
  5. Step 5: Solve for x
    x = 186,074,433,196.38/544,009.80
  6. Step 6: Final answer
    x = 342,042.43

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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.