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Finding the Fourth Proportional to 481,975.90, 665,149.18 and 267,116

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Solution

The fourth proportional to 481,975.90, 665,149.18 and 267,116 is: 368,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,975.90 : 665,149.18 = 267,116 : x
  2. Step 2: Convert to fraction form
    481,975.90/665,149.18 = 267,116/x
  3. Step 3: Cross multiply
    481,975.90x = 665,149.18 × 267,116
  4. Step 4: Simplify right side
    481,975.90x = 177,671,988,364.88
  5. Step 5: Solve for x
    x = 177,671,988,364.88/481,975.90
  6. Step 6: Final answer
    x = 368,632.52

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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.