Home / 259,326.08-389,054.72-72,337.44

Finding the Fourth Proportional to 259,326.08, 389,054.72 and 72,337.44

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Solution

The fourth proportional to 259,326.08, 389,054.72 and 72,337.44 is: 108,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,326.08 : 389,054.72 = 72,337.44 : x
  2. Step 2: Convert to fraction form
    259,326.08/389,054.72 = 72,337.44/x
  3. Step 3: Cross multiply
    259,326.08x = 389,054.72 × 72,337.44
  4. Step 4: Simplify right side
    259,326.08x = 28,143,222,464.72
  5. Step 5: Solve for x
    x = 28,143,222,464.72/259,326.08
  6. Step 6: Final answer
    x = 108,524.46

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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.