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Finding the Fourth Proportional to 352,482.44, 486,412.60 and 191,334.04

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Solution

The fourth proportional to 352,482.44, 486,412.60 and 191,334.04 is: 264,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,482.44 : 486,412.60 = 191,334.04 : x
  2. Step 2: Convert to fraction form
    352,482.44/486,412.60 = 191,334.04/x
  3. Step 3: Cross multiply
    352,482.44x = 486,412.60 × 191,334.04
  4. Step 4: Simplify right side
    352,482.44x = 93,067,287,864.90
  5. Step 5: Solve for x
    x = 93,067,287,864.90/352,482.44
  6. Step 6: Final answer
    x = 264,033.83

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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.