Home / 331,185.04-496,851.38-120,823

Finding the Fourth Proportional to 331,185.04, 496,851.38 and 120,823

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Solution

The fourth proportional to 331,185.04, 496,851.38 and 120,823 is: 181,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,185.04 : 496,851.38 = 120,823 : x
  2. Step 2: Convert to fraction form
    331,185.04/496,851.38 = 120,823/x
  3. Step 3: Cross multiply
    331,185.04x = 496,851.38 × 120,823
  4. Step 4: Simplify right side
    331,185.04x = 60,031,074,285.74
  5. Step 5: Solve for x
    x = 60,031,074,285.74/331,185.04
  6. Step 6: Final answer
    x = 181,261.43

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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.