Home / 441,229.28-661,756.74-121,298.58

Finding the Fourth Proportional to 441,229.28, 661,756.74 and 121,298.58

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Solution

The fourth proportional to 441,229.28, 661,756.74 and 121,298.58 is: 181,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,229.28 : 661,756.74 = 121,298.58 : x
  2. Step 2: Convert to fraction form
    441,229.28/661,756.74 = 121,298.58/x
  3. Step 3: Cross multiply
    441,229.28x = 661,756.74 × 121,298.58
  4. Step 4: Simplify right side
    441,229.28x = 80,270,152,412.56
  5. Step 5: Solve for x
    x = 80,270,152,412.56/441,229.28
  6. Step 6: Final answer
    x = 181,923.90

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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.