Home / 603,441.12-905,278.32-204,146.88

Finding the Fourth Proportional to 603,441.12, 905,278.32 and 204,146.88

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Solution

The fourth proportional to 603,441.12, 905,278.32 and 204,146.88 is: 306,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,441.12 : 905,278.32 = 204,146.88 : x
  2. Step 2: Convert to fraction form
    603,441.12/905,278.32 = 204,146.88/x
  3. Step 3: Cross multiply
    603,441.12x = 905,278.32 × 204,146.88
  4. Step 4: Simplify right side
    603,441.12x = 184,809,744,559.64
  5. Step 5: Solve for x
    x = 184,809,744,559.64/603,441.12
  6. Step 6: Final answer
    x = 306,259.78

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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.