Home / 354,121.25-488,673.09-192,972.85

Finding the Fourth Proportional to 354,121.25, 488,673.09 and 192,972.85

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Solution

The fourth proportional to 354,121.25, 488,673.09 and 192,972.85 is: 266,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,121.25 : 488,673.09 = 192,972.85 : x
  2. Step 2: Convert to fraction form
    354,121.25/488,673.09 = 192,972.85/x
  3. Step 3: Cross multiply
    354,121.25x = 488,673.09 × 192,972.85
  4. Step 4: Simplify right side
    354,121.25x = 94,300,637,673.92
  5. Step 5: Solve for x
    x = 94,300,637,673.92/354,121.25
  6. Step 6: Final answer
    x = 266,294.78

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1.5x scale

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.