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Finding the Fourth Proportional to 482,671.56, 666,076.56 and 267,807

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Solution

The fourth proportional to 482,671.56, 666,076.56 and 267,807 is: 369,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,671.56 : 666,076.56 = 267,807 : x
  2. Step 2: Convert to fraction form
    482,671.56/666,076.56 = 267,807/x
  3. Step 3: Cross multiply
    482,671.56x = 666,076.56 × 267,807
  4. Step 4: Simplify right side
    482,671.56x = 178,379,965,303.92
  5. Step 5: Solve for x
    x = 178,379,965,303.92/482,671.56
  6. Step 6: Final answer
    x = 369,568.00

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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.