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Finding the Fourth Proportional to 327,451.54, 490,592.95 and 177,596.25

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Solution

The fourth proportional to 327,451.54, 490,592.95 and 177,596.25 is: 266,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,451.54 : 490,592.95 = 177,596.25 : x
  2. Step 2: Convert to fraction form
    327,451.54/490,592.95 = 177,596.25/x
  3. Step 3: Cross multiply
    327,451.54x = 490,592.95 × 177,596.25
  4. Step 4: Simplify right side
    327,451.54x = 87,127,466,911.70
  5. Step 5: Solve for x
    x = 87,127,466,911.70/327,451.54
  6. Step 6: Final answer
    x = 266,077.44

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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.