Home / 352,401.47-486,313.83-199,436.89

Finding the Fourth Proportional to 352,401.47, 486,313.83 and 199,436.89

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Solution

The fourth proportional to 352,401.47, 486,313.83 and 199,436.89 is: 275,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,401.47 : 486,313.83 = 199,436.89 : x
  2. Step 2: Convert to fraction form
    352,401.47/486,313.83 = 199,436.89/x
  3. Step 3: Cross multiply
    352,401.47x = 486,313.83 × 199,436.89
  4. Step 4: Simplify right side
    352,401.47x = 96,988,917,819.19
  5. Step 5: Solve for x
    x = 96,988,917,819.19/352,401.47
  6. Step 6: Final answer
    x = 275,222.80

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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.