Home / 331,000.65-496,112.18-153,131.94

Finding the Fourth Proportional to 331,000.65, 496,112.18 and 153,131.94

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Solution

The fourth proportional to 331,000.65, 496,112.18 and 153,131.94 is: 229,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,000.65 : 496,112.18 = 153,131.94 : x
  2. Step 2: Convert to fraction form
    331,000.65/496,112.18 = 153,131.94/x
  3. Step 3: Cross multiply
    331,000.65x = 496,112.18 × 153,131.94
  4. Step 4: Simplify right side
    331,000.65x = 75,970,619,815.37
  5. Step 5: Solve for x
    x = 75,970,619,815.37/331,000.65
  6. Step 6: Final answer
    x = 229,518.04

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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.