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Finding the Fourth Proportional to 468,561.82, 646,612.56 and 253,697.44

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Solution

The fourth proportional to 468,561.82, 646,612.56 and 253,697.44 is: 350,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,561.82 : 646,612.56 = 253,697.44 : x
  2. Step 2: Convert to fraction form
    468,561.82/646,612.56 = 253,697.44/x
  3. Step 3: Cross multiply
    468,561.82x = 646,612.56 × 253,697.44
  4. Step 4: Simplify right side
    468,561.82x = 164,043,951,143.85
  5. Step 5: Solve for x
    x = 164,043,951,143.85/468,561.82
  6. Step 6: Final answer
    x = 350,100.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.