Home / 331,584.70-497,570.04-139,445.32

Finding the Fourth Proportional to 331,584.70, 497,570.04 and 139,445.32

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Solution

The fourth proportional to 331,584.70, 497,570.04 and 139,445.32 is: 209,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,584.70 : 497,570.04 = 139,445.32 : x
  2. Step 2: Convert to fraction form
    331,584.70/497,570.04 = 139,445.32/x
  3. Step 3: Cross multiply
    331,584.70x = 497,570.04 × 139,445.32
  4. Step 4: Simplify right side
    331,584.70x = 69,383,813,450.21
  5. Step 5: Solve for x
    x = 69,383,813,450.21/331,584.70
  6. Step 6: Final answer
    x = 209,249.14

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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.