Home / 259,327.08-389,056.22-72,338.44

Finding the Fourth Proportional to 259,327.08, 389,056.22 and 72,338.44

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Solution

The fourth proportional to 259,327.08, 389,056.22 and 72,338.44 is: 108,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,327.08 : 389,056.22 = 72,338.44 : x
  2. Step 2: Convert to fraction form
    259,327.08/389,056.22 = 72,338.44/x
  3. Step 3: Cross multiply
    259,327.08x = 389,056.22 × 72,338.44
  4. Step 4: Simplify right side
    259,327.08x = 28,143,720,027.10
  5. Step 5: Solve for x
    x = 28,143,720,027.10/259,327.08
  6. Step 6: Final answer
    x = 108,525.96

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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.