Home / 220,144.80-329,342.40-190,887.60

Finding the Fourth Proportional to 220,144.80, 329,342.40 and 190,887.60

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Solution

The fourth proportional to 220,144.80, 329,342.40 and 190,887.60 is: 285,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,144.80 : 329,342.40 = 190,887.60 : x
  2. Step 2: Convert to fraction form
    220,144.80/329,342.40 = 190,887.60/x
  3. Step 3: Cross multiply
    220,144.80x = 329,342.40 × 190,887.60
  4. Step 4: Simplify right side
    220,144.80x = 62,867,380,314.24
  5. Step 5: Solve for x
    x = 62,867,380,314.24/220,144.80
  6. Step 6: Final answer
    x = 285,572.86

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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.