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Finding the Fourth Proportional to 490,350.36, 735,470.46 and 135,414.84

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Solution

The fourth proportional to 490,350.36, 735,470.46 and 135,414.84 is: 203,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,350.36 : 735,470.46 = 135,414.84 : x
  2. Step 2: Convert to fraction form
    490,350.36/735,470.46 = 135,414.84/x
  3. Step 3: Cross multiply
    490,350.36x = 735,470.46 × 135,414.84
  4. Step 4: Simplify right side
    490,350.36x = 99,593,614,665.63
  5. Step 5: Solve for x
    x = 99,593,614,665.63/490,350.36
  6. Step 6: Final answer
    x = 203,107.05

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1.5x scale

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.