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Finding the Fourth Proportional to 220,001.60, 329,613.60 and 206,004.80

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Solution

The fourth proportional to 220,001.60, 329,613.60 and 206,004.80 is: 308,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,001.60 : 329,613.60 = 206,004.80 : x
  2. Step 2: Convert to fraction form
    220,001.60/329,613.60 = 206,004.80/x
  3. Step 3: Cross multiply
    220,001.60x = 329,613.60 × 206,004.80
  4. Step 4: Simplify right side
    220,001.60x = 67,901,983,745.28
  5. Step 5: Solve for x
    x = 67,901,983,745.28/220,001.60
  6. Step 6: Final answer
    x = 308,643.14

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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.