Home / 330,742.20-496,178.10-141,202.20

Finding the Fourth Proportional to 330,742.20, 496,178.10 and 141,202.20

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Solution

The fourth proportional to 330,742.20, 496,178.10 and 141,202.20 is: 211,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,742.20 : 496,178.10 = 141,202.20 : x
  2. Step 2: Convert to fraction form
    330,742.20/496,178.10 = 141,202.20/x
  3. Step 3: Cross multiply
    330,742.20x = 496,178.10 × 141,202.20
  4. Step 4: Simplify right side
    330,742.20x = 70,061,439,311.82
  5. Step 5: Solve for x
    x = 70,061,439,311.82/330,742.20
  6. Step 6: Final answer
    x = 211,830.96

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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.