Home / 259,826.37-389,750.51-82,329.45

Finding the Fourth Proportional to 259,826.37, 389,750.51 and 82,329.45

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Solution

The fourth proportional to 259,826.37, 389,750.51 and 82,329.45 is: 123,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,826.37 : 389,750.51 = 82,329.45 : x
  2. Step 2: Convert to fraction form
    259,826.37/389,750.51 = 82,329.45/x
  3. Step 3: Cross multiply
    259,826.37x = 389,750.51 × 82,329.45
  4. Step 4: Simplify right side
    259,826.37x = 32,087,945,125.52
  5. Step 5: Solve for x
    x = 32,087,945,125.52/259,826.37
  6. Step 6: Final answer
    x = 123,497.65

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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.