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Finding the Fourth Proportional to 220,365.62, 330,460.75 and 80,047.54

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Solution

The fourth proportional to 220,365.62, 330,460.75 and 80,047.54 is: 120,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,365.62 : 330,460.75 = 80,047.54 : x
  2. Step 2: Convert to fraction form
    220,365.62/330,460.75 = 80,047.54/x
  3. Step 3: Cross multiply
    220,365.62x = 330,460.75 × 80,047.54
  4. Step 4: Simplify right side
    220,365.62x = 26,452,570,104.06
  5. Step 5: Solve for x
    x = 26,452,570,104.06/220,365.62
  6. Step 6: Final answer
    x = 120,039.46

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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.