Home / 330,864.20-496,361.10-141,324.20

Finding the Fourth Proportional to 330,864.20, 496,361.10 and 141,324.20

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Solution

The fourth proportional to 330,864.20, 496,361.10 and 141,324.20 is: 212,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,864.20 : 496,361.10 = 141,324.20 : x
  2. Step 2: Convert to fraction form
    330,864.20/496,361.10 = 141,324.20/x
  3. Step 3: Cross multiply
    330,864.20x = 496,361.10 × 141,324.20
  4. Step 4: Simplify right side
    330,864.20x = 70,147,835,368.62
  5. Step 5: Solve for x
    x = 70,147,835,368.62/330,864.20
  6. Step 6: Final answer
    x = 212,013.98

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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.