Home / 331,003.90-496,117.05-153,135.19

Finding the Fourth Proportional to 331,003.90, 496,117.05 and 153,135.19

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Solution

The fourth proportional to 331,003.90, 496,117.05 and 153,135.19 is: 229,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,003.90 : 496,117.05 = 153,135.19 : x
  2. Step 2: Convert to fraction form
    331,003.90/496,117.05 = 153,135.19/x
  3. Step 3: Cross multiply
    331,003.90x = 496,117.05 × 153,135.19
  4. Step 4: Simplify right side
    331,003.90x = 75,972,978,713.99
  5. Step 5: Solve for x
    x = 75,972,978,713.99/331,003.90
  6. Step 6: Final answer
    x = 229,522.91

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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.