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Finding the Fourth Proportional to 327,334.23, 490,946.67 and 90,700.83

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Solution

The fourth proportional to 327,334.23, 490,946.67 and 90,700.83 is: 136,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,334.23 : 490,946.67 = 90,700.83 : x
  2. Step 2: Convert to fraction form
    327,334.23/490,946.67 = 90,700.83/x
  3. Step 3: Cross multiply
    327,334.23x = 490,946.67 × 90,700.83
  4. Step 4: Simplify right side
    327,334.23x = 44,529,270,454.74
  5. Step 5: Solve for x
    x = 44,529,270,454.74/327,334.23
  6. Step 6: Final answer
    x = 136,036.10

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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.