Home / 441,228.96-661,756.32-121,298.29

Finding the Fourth Proportional to 441,228.96, 661,756.32 and 121,298.29

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Solution

The fourth proportional to 441,228.96, 661,756.32 and 121,298.29 is: 181,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,228.96 : 661,756.32 = 121,298.29 : x
  2. Step 2: Convert to fraction form
    441,228.96/661,756.32 = 121,298.29/x
  3. Step 3: Cross multiply
    441,228.96x = 661,756.32 × 121,298.29
  4. Step 4: Simplify right side
    441,228.96x = 80,269,908,358.30
  5. Step 5: Solve for x
    x = 80,269,908,358.30/441,228.96
  6. Step 6: Final answer
    x = 181,923.48

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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.