Home / 259,441.37-388,994.34-101,685.77

Finding the Fourth Proportional to 259,441.37, 388,994.34 and 101,685.77

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Solution

The fourth proportional to 259,441.37, 388,994.34 and 101,685.77 is: 152,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,441.37 : 388,994.34 = 101,685.77 : x
  2. Step 2: Convert to fraction form
    259,441.37/388,994.34 = 101,685.77/x
  3. Step 3: Cross multiply
    259,441.37x = 388,994.34 × 101,685.77
  4. Step 4: Simplify right side
    259,441.37x = 39,555,187,043.57
  5. Step 5: Solve for x
    x = 39,555,187,043.57/259,441.37
  6. Step 6: Final answer
    x = 152,462.92

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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.