Home / 259,975.68-389,705.18-180,923.83

Finding the Fourth Proportional to 259,975.68, 389,705.18 and 180,923.83

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Solution

The fourth proportional to 259,975.68, 389,705.18 and 180,923.83 is: 271,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,975.68 : 389,705.18 = 180,923.83 : x
  2. Step 2: Convert to fraction form
    259,975.68/389,705.18 = 180,923.83/x
  3. Step 3: Cross multiply
    259,975.68x = 389,705.18 × 180,923.83
  4. Step 4: Simplify right side
    259,975.68x = 70,506,951,857.56
  5. Step 5: Solve for x
    x = 70,506,951,857.56/259,975.68
  6. Step 6: Final answer
    x = 271,205.96

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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.