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Finding the Fourth Proportional to 222,638.80, 334,176.90 and 110,445.70

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Solution

The fourth proportional to 222,638.80, 334,176.90 and 110,445.70 is: 165,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,638.80 : 334,176.90 = 110,445.70 : x
  2. Step 2: Convert to fraction form
    222,638.80/334,176.90 = 110,445.70/x
  3. Step 3: Cross multiply
    222,638.80x = 334,176.90 × 110,445.70
  4. Step 4: Simplify right side
    222,638.80x = 36,908,401,644.33
  5. Step 5: Solve for x
    x = 36,908,401,644.33/222,638.80
  6. Step 6: Final answer
    x = 165,777.04

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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.