Home / 351,452.12-485,012.22-200,563.16

Finding the Fourth Proportional to 351,452.12, 485,012.22 and 200,563.16

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Solution

The fourth proportional to 351,452.12, 485,012.22 and 200,563.16 is: 276,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,452.12 : 485,012.22 = 200,563.16 : x
  2. Step 2: Convert to fraction form
    351,452.12/485,012.22 = 200,563.16/x
  3. Step 3: Cross multiply
    351,452.12x = 485,012.22 × 200,563.16
  4. Step 4: Simplify right side
    351,452.12x = 97,275,583,481.82
  5. Step 5: Solve for x
    x = 97,275,583,481.82/351,452.12
  6. Step 6: Final answer
    x = 276,781.89

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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.