Home / 327,199.20-490,809.72-90,522.06

Finding the Fourth Proportional to 327,199.20, 490,809.72 and 90,522.06

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Solution

The fourth proportional to 327,199.20, 490,809.72 and 90,522.06 is: 135,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,199.20 : 490,809.72 = 90,522.06 : x
  2. Step 2: Convert to fraction form
    327,199.20/490,809.72 = 90,522.06/x
  3. Step 3: Cross multiply
    327,199.20x = 490,809.72 × 90,522.06
  4. Step 4: Simplify right side
    327,199.20x = 44,429,106,922.42
  5. Step 5: Solve for x
    x = 44,429,106,922.42/327,199.20
  6. Step 6: Final answer
    x = 135,786.11

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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.