Home / 441,149.40-661,749.21-125,581.50

Finding the Fourth Proportional to 441,149.40, 661,749.21 and 125,581.50

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Solution

The fourth proportional to 441,149.40, 661,749.21 and 125,581.50 is: 188,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,149.40 : 661,749.21 = 125,581.50 : x
  2. Step 2: Convert to fraction form
    441,149.40/661,749.21 = 125,581.50/x
  3. Step 3: Cross multiply
    441,149.40x = 661,749.21 × 125,581.50
  4. Step 4: Simplify right side
    441,149.40x = 83,103,458,415.62
  5. Step 5: Solve for x
    x = 83,103,458,415.62/441,149.40
  6. Step 6: Final answer
    x = 188,379.40

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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.