Home / 275,771.03-380,577.65-154,906.07

Finding the Fourth Proportional to 275,771.03, 380,577.65 and 154,906.07

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Solution

The fourth proportional to 275,771.03, 380,577.65 and 154,906.07 is: 213,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,771.03 : 380,577.65 = 154,906.07 : x
  2. Step 2: Convert to fraction form
    275,771.03/380,577.65 = 154,906.07/x
  3. Step 3: Cross multiply
    275,771.03x = 380,577.65 × 154,906.07
  4. Step 4: Simplify right side
    275,771.03x = 58,953,785,413.92
  5. Step 5: Solve for x
    x = 58,953,785,413.92/275,771.03
  6. Step 6: Final answer
    x = 213,778.03

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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.