Home / 276,708.23-381,858.15-160,444.22

Finding the Fourth Proportional to 276,708.23, 381,858.15 and 160,444.22

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Solution

The fourth proportional to 276,708.23, 381,858.15 and 160,444.22 is: 221,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,708.23 : 381,858.15 = 160,444.22 : x
  2. Step 2: Convert to fraction form
    276,708.23/381,858.15 = 160,444.22/x
  3. Step 3: Cross multiply
    276,708.23x = 381,858.15 × 160,444.22
  4. Step 4: Simplify right side
    276,708.23x = 61,266,933,027.39
  5. Step 5: Solve for x
    x = 61,266,933,027.39/276,708.23
  6. Step 6: Final answer
    x = 221,413.48

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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.