Home / 490,277.20-735,395.76-135,282.16

Finding the Fourth Proportional to 490,277.20, 735,395.76 and 135,282.16

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Solution

The fourth proportional to 490,277.20, 735,395.76 and 135,282.16 is: 202,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,277.20 : 735,395.76 = 135,282.16 : x
  2. Step 2: Convert to fraction form
    490,277.20/735,395.76 = 135,282.16/x
  3. Step 3: Cross multiply
    490,277.20x = 735,395.76 × 135,282.16
  4. Step 4: Simplify right side
    490,277.20x = 99,485,926,867.64
  5. Step 5: Solve for x
    x = 99,485,926,867.64/490,277.20
  6. Step 6: Final answer
    x = 202,917.71

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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.