Home / 259,829.91-389,874.06-145,906.92

Finding the Fourth Proportional to 259,829.91, 389,874.06 and 145,906.92

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Solution

The fourth proportional to 259,829.91, 389,874.06 and 145,906.92 is: 218,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,829.91 : 389,874.06 = 145,906.92 : x
  2. Step 2: Convert to fraction form
    259,829.91/389,874.06 = 145,906.92/x
  3. Step 3: Cross multiply
    259,829.91x = 389,874.06 × 145,906.92
  4. Step 4: Simplify right side
    259,829.91x = 56,885,323,282.50
  5. Step 5: Solve for x
    x = 56,885,323,282.50/259,829.91
  6. Step 6: Final answer
    x = 218,932.93

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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.