Home / 278,133.24-416,952.40-100,600.76

Finding the Fourth Proportional to 278,133.24, 416,952.40 and 100,600.76

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Solution

The fourth proportional to 278,133.24, 416,952.40 and 100,600.76 is: 150,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,133.24 : 416,952.40 = 100,600.76 : x
  2. Step 2: Convert to fraction form
    278,133.24/416,952.40 = 100,600.76/x
  3. Step 3: Cross multiply
    278,133.24x = 416,952.40 × 100,600.76
  4. Step 4: Simplify right side
    278,133.24x = 41,945,728,323.82
  5. Step 5: Solve for x
    x = 41,945,728,323.82/278,133.24
  6. Step 6: Final answer
    x = 150,811.63

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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.