Home / 276,413.28-414,622.23-76,749.24

Finding the Fourth Proportional to 276,413.28, 414,622.23 and 76,749.24

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Solution

The fourth proportional to 276,413.28, 414,622.23 and 76,749.24 is: 115,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,413.28 : 414,622.23 = 76,749.24 : x
  2. Step 2: Convert to fraction form
    276,413.28/414,622.23 = 76,749.24/x
  3. Step 3: Cross multiply
    276,413.28x = 414,622.23 × 76,749.24
  4. Step 4: Simplify right side
    276,413.28x = 31,821,941,039.61
  5. Step 5: Solve for x
    x = 31,821,941,039.61/276,413.28
  6. Step 6: Final answer
    x = 115,124.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.