Home / 352,373.30-486,183.09-209,165.30

Finding the Fourth Proportional to 352,373.30, 486,183.09 and 209,165.30

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Solution

The fourth proportional to 352,373.30, 486,183.09 and 209,165.30 is: 288,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,373.30 : 486,183.09 = 209,165.30 : x
  2. Step 2: Convert to fraction form
    352,373.30/486,183.09 = 209,165.30/x
  3. Step 3: Cross multiply
    352,373.30x = 486,183.09 × 209,165.30
  4. Step 4: Simplify right side
    352,373.30x = 101,692,631,874.78
  5. Step 5: Solve for x
    x = 101,692,631,874.78/352,373.30
  6. Step 6: Final answer
    x = 288,593.47

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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.