Home / 330,948.78-496,324.22-120,537.51

Finding the Fourth Proportional to 330,948.78, 496,324.22 and 120,537.51

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Solution

The fourth proportional to 330,948.78, 496,324.22 and 120,537.51 is: 180,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,948.78 : 496,324.22 = 120,537.51 : x
  2. Step 2: Convert to fraction form
    330,948.78/496,324.22 = 120,537.51/x
  3. Step 3: Cross multiply
    330,948.78x = 496,324.22 × 120,537.51
  4. Step 4: Simplify right side
    330,948.78x = 59,825,685,028.80
  5. Step 5: Solve for x
    x = 59,825,685,028.80/330,948.78
  6. Step 6: Final answer
    x = 180,770.22

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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.