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Finding the Fourth Proportional to 600,485.43, 900,729.72 and 221,241.85

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Solution

The fourth proportional to 600,485.43, 900,729.72 and 221,241.85 is: 331,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,485.43 : 900,729.72 = 221,241.85 : x
  2. Step 2: Convert to fraction form
    600,485.43/900,729.72 = 221,241.85/x
  3. Step 3: Cross multiply
    600,485.43x = 900,729.72 × 221,241.85
  4. Step 4: Simplify right side
    600,485.43x = 199,279,107,350.96
  5. Step 5: Solve for x
    x = 199,279,107,350.96/600,485.43
  6. Step 6: Final answer
    x = 331,863.35

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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.