Home / 276,001.20-380,847.36-159,734.64

Finding the Fourth Proportional to 276,001.20, 380,847.36 and 159,734.64

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Solution

The fourth proportional to 276,001.20, 380,847.36 and 159,734.64 is: 220,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,001.20 : 380,847.36 = 159,734.64 : x
  2. Step 2: Convert to fraction form
    276,001.20/380,847.36 = 159,734.64/x
  3. Step 3: Cross multiply
    276,001.20x = 380,847.36 × 159,734.64
  4. Step 4: Simplify right side
    276,001.20x = 60,834,515,944.55
  5. Step 5: Solve for x
    x = 60,834,515,944.55/276,001.20
  6. Step 6: Final answer
    x = 220,413.95

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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.