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Finding the Fourth Proportional to 220,302.80, 330,268.44 and 95,549.84

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Solution

The fourth proportional to 220,302.80, 330,268.44 and 95,549.84 is: 143,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,302.80 : 330,268.44 = 95,549.84 : x
  2. Step 2: Convert to fraction form
    220,302.80/330,268.44 = 95,549.84/x
  3. Step 3: Cross multiply
    220,302.80x = 330,268.44 × 95,549.84
  4. Step 4: Simplify right side
    220,302.80x = 31,557,096,599.05
  5. Step 5: Solve for x
    x = 31,557,096,599.05/220,302.80
  6. Step 6: Final answer
    x = 143,244.19

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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.