Home / 331,230.51-496,853.93-120,868.38

Finding the Fourth Proportional to 331,230.51, 496,853.93 and 120,868.38

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Solution

The fourth proportional to 331,230.51, 496,853.93 and 120,868.38 is: 181,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,230.51 : 496,853.93 = 120,868.38 : x
  2. Step 2: Convert to fraction form
    331,230.51/496,853.93 = 120,868.38/x
  3. Step 3: Cross multiply
    331,230.51x = 496,853.93 × 120,868.38
  4. Step 4: Simplify right side
    331,230.51x = 60,053,929,615.73
  5. Step 5: Solve for x
    x = 60,053,929,615.73/331,230.51
  6. Step 6: Final answer
    x = 181,305.55

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1.5x scale

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.