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Finding the Fourth Proportional to 482,192.70, 665,441.73 and 267,352.80

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Solution

The fourth proportional to 482,192.70, 665,441.73 and 267,352.80 is: 368,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,192.70 : 665,441.73 = 267,352.80 : x
  2. Step 2: Convert to fraction form
    482,192.70/665,441.73 = 267,352.80/x
  3. Step 3: Cross multiply
    482,192.70x = 665,441.73 × 267,352.80
  4. Step 4: Simplify right side
    482,192.70x = 177,907,709,752.34
  5. Step 5: Solve for x
    x = 177,907,709,752.34/482,192.70
  6. Step 6: Final answer
    x = 368,955.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.