Home / 490,864.73-736,215.08-135,914.63

Finding the Fourth Proportional to 490,864.73, 736,215.08 and 135,914.63

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Solution

The fourth proportional to 490,864.73, 736,215.08 and 135,914.63 is: 203,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,864.73 : 736,215.08 = 135,914.63 : x
  2. Step 2: Convert to fraction form
    490,864.73/736,215.08 = 135,914.63/x
  3. Step 3: Cross multiply
    490,864.73x = 736,215.08 × 135,914.63
  4. Step 4: Simplify right side
    490,864.73x = 100,062,400,198.62
  5. Step 5: Solve for x
    x = 100,062,400,198.62/490,864.73
  6. Step 6: Final answer
    x = 203,849.24

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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.