Home / 330,690.42-496,256.22-212,446.62

Finding the Fourth Proportional to 330,690.42, 496,256.22 and 212,446.62

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Solution

The fourth proportional to 330,690.42, 496,256.22 and 212,446.62 is: 318,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,690.42 : 496,256.22 = 212,446.62 : x
  2. Step 2: Convert to fraction form
    330,690.42/496,256.22 = 212,446.62/x
  3. Step 3: Cross multiply
    330,690.42x = 496,256.22 × 212,446.62
  4. Step 4: Simplify right side
    330,690.42x = 105,427,956,592.98
  5. Step 5: Solve for x
    x = 105,427,956,592.98/330,690.42
  6. Step 6: Final answer
    x = 318,811.64

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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.