Home / 352,673.10-486,743.85-199,719.18

Finding the Fourth Proportional to 352,673.10, 486,743.85 and 199,719.18

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Solution

The fourth proportional to 352,673.10, 486,743.85 and 199,719.18 is: 275,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,673.10 : 486,743.85 = 199,719.18 : x
  2. Step 2: Convert to fraction form
    352,673.10/486,743.85 = 199,719.18/x
  3. Step 3: Cross multiply
    352,673.10x = 486,743.85 × 199,719.18
  4. Step 4: Simplify right side
    352,673.10x = 97,212,082,592.04
  5. Step 5: Solve for x
    x = 97,212,082,592.04/352,673.10
  6. Step 6: Final answer
    x = 275,643.60

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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.