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Finding the Fourth Proportional to 223,274.12, 334,922.12 and 90,137.76

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Solution

The fourth proportional to 223,274.12, 334,922.12 and 90,137.76 is: 135,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,274.12 : 334,922.12 = 90,137.76 : x
  2. Step 2: Convert to fraction form
    223,274.12/334,922.12 = 90,137.76/x
  3. Step 3: Cross multiply
    223,274.12x = 334,922.12 × 90,137.76
  4. Step 4: Simplify right side
    223,274.12x = 30,189,129,220.56
  5. Step 5: Solve for x
    x = 30,189,129,220.56/223,274.12
  6. Step 6: Final answer
    x = 135,211.06

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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.