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Finding the Fourth Proportional to 327,110.70, 490,666.05 and 303,491.10

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Solution

The fourth proportional to 327,110.70, 490,666.05 and 303,491.10 is: 455,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,110.70 : 490,666.05 = 303,491.10 : x
  2. Step 2: Convert to fraction form
    327,110.70/490,666.05 = 303,491.10/x
  3. Step 3: Cross multiply
    327,110.70x = 490,666.05 × 303,491.10
  4. Step 4: Simplify right side
    327,110.70x = 148,912,779,247.16
  5. Step 5: Solve for x
    x = 148,912,779,247.16/327,110.70
  6. Step 6: Final answer
    x = 455,236.65

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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.