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Finding the Fourth Proportional to 352,375.80, 486,278.94 and 191,230.88

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Solution

The fourth proportional to 352,375.80, 486,278.94 and 191,230.88 is: 263,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,375.80 : 486,278.94 = 191,230.88 : x
  2. Step 2: Convert to fraction form
    352,375.80/486,278.94 = 191,230.88/x
  3. Step 3: Cross multiply
    352,375.80x = 486,278.94 × 191,230.88
  4. Step 4: Simplify right side
    352,375.80x = 92,991,549,621.67
  5. Step 5: Solve for x
    x = 92,991,549,621.67/352,375.80
  6. Step 6: Final answer
    x = 263,898.80

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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.