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Finding the Fourth Proportional to 220,045.38, 330,286.77 and 101,743.26

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Solution

The fourth proportional to 220,045.38, 330,286.77 and 101,743.26 is: 152,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,045.38 : 330,286.77 = 101,743.26 : x
  2. Step 2: Convert to fraction form
    220,045.38/330,286.77 = 101,743.26/x
  3. Step 3: Cross multiply
    220,045.38x = 330,286.77 × 101,743.26
  4. Step 4: Simplify right side
    220,045.38x = 33,604,452,714.67
  5. Step 5: Solve for x
    x = 33,604,452,714.67/220,045.38
  6. Step 6: Final answer
    x = 152,716.01

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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.