Home / 331,240.45-496,850.08-139,216.61

Finding the Fourth Proportional to 331,240.45, 496,850.08 and 139,216.61

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Solution

The fourth proportional to 331,240.45, 496,850.08 and 139,216.61 is: 208,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,240.45 : 496,850.08 = 139,216.61 : x
  2. Step 2: Convert to fraction form
    331,240.45/496,850.08 = 139,216.61/x
  3. Step 3: Cross multiply
    331,240.45x = 496,850.08 × 139,216.61
  4. Step 4: Simplify right side
    331,240.45x = 69,169,783,815.83
  5. Step 5: Solve for x
    x = 69,169,783,815.83/331,240.45
  6. Step 6: Final answer
    x = 208,820.46

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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.