Home / 481,818.80-664,915.56-266,961.44

Finding the Fourth Proportional to 481,818.80, 664,915.56 and 266,961.44

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Solution

The fourth proportional to 481,818.80, 664,915.56 and 266,961.44 is: 368,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,818.80 : 664,915.56 = 266,961.44 : x
  2. Step 2: Convert to fraction form
    481,818.80/664,915.56 = 266,961.44/x
  3. Step 3: Cross multiply
    481,818.80x = 664,915.56 × 266,961.44
  4. Step 4: Simplify right side
    481,818.80x = 177,506,815,376.01
  5. Step 5: Solve for x
    x = 177,506,815,376.01/481,818.80
  6. Step 6: Final answer
    x = 368,409.90

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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.