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Finding the Fourth Proportional to 220,303.80, 330,269.94 and 95,550.84

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Solution

The fourth proportional to 220,303.80, 330,269.94 and 95,550.84 is: 143,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,303.80 : 330,269.94 = 95,550.84 : x
  2. Step 2: Convert to fraction form
    220,303.80/330,269.94 = 95,550.84/x
  3. Step 3: Cross multiply
    220,303.80x = 330,269.94 × 95,550.84
  4. Step 4: Simplify right side
    220,303.80x = 31,557,570,193.75
  5. Step 5: Solve for x
    x = 31,557,570,193.75/220,303.80
  6. Step 6: Final answer
    x = 143,245.69

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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.