Home / 316,741.26-436,937.22-195,843.90

Finding the Fourth Proportional to 316,741.26, 436,937.22 and 195,843.90

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Solution

The fourth proportional to 316,741.26, 436,937.22 and 195,843.90 is: 270,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,741.26 : 436,937.22 = 195,843.90 : x
  2. Step 2: Convert to fraction form
    316,741.26/436,937.22 = 195,843.90/x
  3. Step 3: Cross multiply
    316,741.26x = 436,937.22 × 195,843.90
  4. Step 4: Simplify right side
    316,741.26x = 85,571,489,219.96
  5. Step 5: Solve for x
    x = 85,571,489,219.96/316,741.26
  6. Step 6: Final answer
    x = 270,162.12

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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.