Home / 353,780.24-488,192.04-200,821.52

Finding the Fourth Proportional to 353,780.24, 488,192.04 and 200,821.52

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Solution

The fourth proportional to 353,780.24, 488,192.04 and 200,821.52 is: 277,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,780.24 : 488,192.04 = 200,821.52 : x
  2. Step 2: Convert to fraction form
    353,780.24/488,192.04 = 200,821.52/x
  3. Step 3: Cross multiply
    353,780.24x = 488,192.04 × 200,821.52
  4. Step 4: Simplify right side
    353,780.24x = 98,039,467,524.70
  5. Step 5: Solve for x
    x = 98,039,467,524.70/353,780.24
  6. Step 6: Final answer
    x = 277,119.68

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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.