Home / 220,511.94-330,350.54-130,284.82

Finding the Fourth Proportional to 220,511.94, 330,350.54 and 130,284.82

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Solution

The fourth proportional to 220,511.94, 330,350.54 and 130,284.82 is: 195,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,511.94 : 330,350.54 = 130,284.82 : x
  2. Step 2: Convert to fraction form
    220,511.94/330,350.54 = 130,284.82/x
  3. Step 3: Cross multiply
    220,511.94x = 330,350.54 × 130,284.82
  4. Step 4: Simplify right side
    220,511.94x = 43,039,660,640.80
  5. Step 5: Solve for x
    x = 43,039,660,640.80/220,511.94
  6. Step 6: Final answer
    x = 195,180.64

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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.