Home / 354,372.80-489,035.04-193,231.04

Finding the Fourth Proportional to 354,372.80, 489,035.04 and 193,231.04

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Solution

The fourth proportional to 354,372.80, 489,035.04 and 193,231.04 is: 266,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,372.80 : 489,035.04 = 193,231.04 : x
  2. Step 2: Convert to fraction form
    354,372.80/489,035.04 = 193,231.04/x
  3. Step 3: Cross multiply
    354,372.80x = 489,035.04 × 193,231.04
  4. Step 4: Simplify right side
    354,372.80x = 94,496,749,375.64
  5. Step 5: Solve for x
    x = 94,496,749,375.64/354,372.80
  6. Step 6: Final answer
    x = 266,659.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.