Home / 353,751.20-488,152.04-200,792.56

Finding the Fourth Proportional to 353,751.20, 488,152.04 and 200,792.56

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Solution

The fourth proportional to 353,751.20, 488,152.04 and 200,792.56 is: 277,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,751.20 : 488,152.04 = 200,792.56 : x
  2. Step 2: Convert to fraction form
    353,751.20/488,152.04 = 200,792.56/x
  3. Step 3: Cross multiply
    353,751.20x = 488,152.04 × 200,792.56
  4. Step 4: Simplify right side
    353,751.20x = 98,017,297,780.82
  5. Step 5: Solve for x
    x = 98,017,297,780.82/353,751.20
  6. Step 6: Final answer
    x = 277,079.76

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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.