Home / 490,949.58-736,424.46-135,963.66

Finding the Fourth Proportional to 490,949.58, 736,424.46 and 135,963.66

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Solution

The fourth proportional to 490,949.58, 736,424.46 and 135,963.66 is: 203,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,949.58 : 736,424.46 = 135,963.66 : x
  2. Step 2: Convert to fraction form
    490,949.58/736,424.46 = 135,963.66/x
  3. Step 3: Cross multiply
    490,949.58x = 736,424.46 × 135,963.66
  4. Step 4: Simplify right side
    490,949.58x = 100,126,964,895.12
  5. Step 5: Solve for x
    x = 100,126,964,895.12/490,949.58
  6. Step 6: Final answer
    x = 203,945.51

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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.