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Finding the Fourth Proportional to 490,066.44, 735,150.48 and 135,080.52

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Solution

The fourth proportional to 490,066.44, 735,150.48 and 135,080.52 is: 202,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,066.44 : 735,150.48 = 135,080.52 : x
  2. Step 2: Convert to fraction form
    490,066.44/735,150.48 = 135,080.52/x
  3. Step 3: Cross multiply
    490,066.44x = 735,150.48 × 135,080.52
  4. Step 4: Simplify right side
    490,066.44x = 99,304,509,116.65
  5. Step 5: Solve for x
    x = 99,304,509,116.65/490,066.44
  6. Step 6: Final answer
    x = 202,634.79

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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.