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Finding the Fourth Proportional to 220,945, 330,799.98 and 119,379.24

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Solution

The fourth proportional to 220,945, 330,799.98 and 119,379.24 is: 178,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,945 : 330,799.98 = 119,379.24 : x
  2. Step 2: Convert to fraction form
    220,945/330,799.98 = 119,379.24/x
  3. Step 3: Cross multiply
    220,945x = 330,799.98 × 119,379.24
  4. Step 4: Simplify right side
    220,945x = 39,490,650,204.42
  5. Step 5: Solve for x
    x = 39,490,650,204.42/220,945
  6. Step 6: Final answer
    x = 178,735.21

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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.