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Finding the Fourth Proportional to 481,968.80, 665,115.84 and 264,182.72

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Solution

The fourth proportional to 481,968.80, 665,115.84 and 264,182.72 is: 364,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,968.80 : 665,115.84 = 264,182.72 : x
  2. Step 2: Convert to fraction form
    481,968.80/665,115.84 = 264,182.72/x
  3. Step 3: Cross multiply
    481,968.80x = 665,115.84 × 264,182.72
  4. Step 4: Simplify right side
    481,968.80x = 175,712,111,726.29
  5. Step 5: Solve for x
    x = 175,712,111,726.29/481,968.80
  6. Step 6: Final answer
    x = 364,571.55

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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.