Home / 331,240.80-496,869.30-120,878.67

Finding the Fourth Proportional to 331,240.80, 496,869.30 and 120,878.67

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Solution

The fourth proportional to 331,240.80, 496,869.30 and 120,878.67 is: 181,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,240.80 : 496,869.30 = 120,878.67 : x
  2. Step 2: Convert to fraction form
    331,240.80/496,869.30 = 120,878.67/x
  3. Step 3: Cross multiply
    331,240.80x = 496,869.30 × 120,878.67
  4. Step 4: Simplify right side
    331,240.80x = 60,060,900,147.83
  5. Step 5: Solve for x
    x = 60,060,900,147.83/331,240.80
  6. Step 6: Final answer
    x = 181,320.96

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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.