Home / 330,860.20-496,355.10-141,320.20

Finding the Fourth Proportional to 330,860.20, 496,355.10 and 141,320.20

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Solution

The fourth proportional to 330,860.20, 496,355.10 and 141,320.20 is: 212,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,860.20 : 496,355.10 = 141,320.20 : x
  2. Step 2: Convert to fraction form
    330,860.20/496,355.10 = 141,320.20/x
  3. Step 3: Cross multiply
    330,860.20x = 496,355.10 × 141,320.20
  4. Step 4: Simplify right side
    330,860.20x = 70,145,002,003.02
  5. Step 5: Solve for x
    x = 70,145,002,003.02/330,860.20
  6. Step 6: Final answer
    x = 212,007.98

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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.