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Finding the Fourth Proportional to 252,765.95, 379,043.08 and 102,904.34

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Solution

The fourth proportional to 252,765.95, 379,043.08 and 102,904.34 is: 154,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,765.95 : 379,043.08 = 102,904.34 : x
  2. Step 2: Convert to fraction form
    252,765.95/379,043.08 = 102,904.34/x
  3. Step 3: Cross multiply
    252,765.95x = 379,043.08 × 102,904.34
  4. Step 4: Simplify right side
    252,765.95x = 39,005,177,978.97
  5. Step 5: Solve for x
    x = 39,005,177,978.97/252,765.95
  6. Step 6: Final answer
    x = 154,313.42

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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.