Home / 441,321.52-661,983.66-121,477.60

Finding the Fourth Proportional to 441,321.52, 661,983.66 and 121,477.60

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Solution

The fourth proportional to 441,321.52, 661,983.66 and 121,477.60 is: 182,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,321.52 : 661,983.66 = 121,477.60 : x
  2. Step 2: Convert to fraction form
    441,321.52/661,983.66 = 121,477.60/x
  3. Step 3: Cross multiply
    441,321.52x = 661,983.66 × 121,477.60
  4. Step 4: Simplify right side
    441,321.52x = 80,416,186,256.02
  5. Step 5: Solve for x
    x = 80,416,186,256.02/441,321.52
  6. Step 6: Final answer
    x = 182,216.78

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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.