Home / 353,120.55-487,310.46-191,972.07

Finding the Fourth Proportional to 353,120.55, 487,310.46 and 191,972.07

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Solution

The fourth proportional to 353,120.55, 487,310.46 and 191,972.07 is: 264,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,120.55 : 487,310.46 = 191,972.07 : x
  2. Step 2: Convert to fraction form
    353,120.55/487,310.46 = 191,972.07/x
  3. Step 3: Cross multiply
    353,120.55x = 487,310.46 × 191,972.07
  4. Step 4: Simplify right side
    353,120.55x = 93,549,997,738.85
  5. Step 5: Solve for x
    x = 93,549,997,738.85/353,120.55
  6. Step 6: Final answer
    x = 264,923.69

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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.