Home / 331,295.16-496,989.73-106,603.39

Finding the Fourth Proportional to 331,295.16, 496,989.73 and 106,603.39

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Solution

The fourth proportional to 331,295.16, 496,989.73 and 106,603.39 is: 159,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,295.16 : 496,989.73 = 106,603.39 : x
  2. Step 2: Convert to fraction form
    331,295.16/496,989.73 = 106,603.39/x
  3. Step 3: Cross multiply
    331,295.16x = 496,989.73 × 106,603.39
  4. Step 4: Simplify right side
    331,295.16x = 52,980,790,168.03
  5. Step 5: Solve for x
    x = 52,980,790,168.03/331,295.16
  6. Step 6: Final answer
    x = 159,920.20

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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.