Home / 352,383.04-486,522.75-209,189.08

Finding the Fourth Proportional to 352,383.04, 486,522.75 and 209,189.08

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Solution

The fourth proportional to 352,383.04, 486,522.75 and 209,189.08 is: 288,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,383.04 : 486,522.75 = 209,189.08 : x
  2. Step 2: Convert to fraction form
    352,383.04/486,522.75 = 209,189.08/x
  3. Step 3: Cross multiply
    352,383.04x = 486,522.75 × 209,189.08
  4. Step 4: Simplify right side
    352,383.04x = 101,775,246,471.57
  5. Step 5: Solve for x
    x = 101,775,246,471.57/352,383.04
  6. Step 6: Final answer
    x = 288,819.93

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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.