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Finding the Fourth Proportional to 222,136.80, 332,686.80 and 217,682.40

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Solution

The fourth proportional to 222,136.80, 332,686.80 and 217,682.40 is: 326,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,136.80 : 332,686.80 = 217,682.40 : x
  2. Step 2: Convert to fraction form
    222,136.80/332,686.80 = 217,682.40/x
  3. Step 3: Cross multiply
    222,136.80x = 332,686.80 × 217,682.40
  4. Step 4: Simplify right side
    222,136.80x = 72,420,061,072.32
  5. Step 5: Solve for x
    x = 72,420,061,072.32/222,136.80
  6. Step 6: Final answer
    x = 326,015.60

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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.