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Finding the Fourth Proportional to 290,793.56, 436,260.20 and 101,226.02

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Solution

The fourth proportional to 290,793.56, 436,260.20 and 101,226.02 is: 151,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,793.56 : 436,260.20 = 101,226.02 : x
  2. Step 2: Convert to fraction form
    290,793.56/436,260.20 = 101,226.02/x
  3. Step 3: Cross multiply
    290,793.56x = 436,260.20 × 101,226.02
  4. Step 4: Simplify right side
    290,793.56x = 44,160,881,042.97
  5. Step 5: Solve for x
    x = 44,160,881,042.97/290,793.56
  6. Step 6: Final answer
    x = 151,863.34

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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.