Home / 446,512.20-669,842.10-206,865.60

Finding the Fourth Proportional to 446,512.20, 669,842.10 and 206,865.60

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Solution

The fourth proportional to 446,512.20, 669,842.10 and 206,865.60 is: 310,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,512.20 : 669,842.10 = 206,865.60 : x
  2. Step 2: Convert to fraction form
    446,512.20/669,842.10 = 206,865.60/x
  3. Step 3: Cross multiply
    446,512.20x = 669,842.10 × 206,865.60
  4. Step 4: Simplify right side
    446,512.20x = 138,567,287,921.76
  5. Step 5: Solve for x
    x = 138,567,287,921.76/446,512.20
  6. Step 6: Final answer
    x = 310,332.59

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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.