Home / 408,991.24-564,261.83-236,815.21

Finding the Fourth Proportional to 408,991.24, 564,261.83 and 236,815.21

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Solution

The fourth proportional to 408,991.24, 564,261.83 and 236,815.21 is: 326,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,991.24 : 564,261.83 = 236,815.21 : x
  2. Step 2: Convert to fraction form
    408,991.24/564,261.83 = 236,815.21/x
  3. Step 3: Cross multiply
    408,991.24x = 564,261.83 × 236,815.21
  4. Step 4: Simplify right side
    408,991.24x = 133,625,784,175.74
  5. Step 5: Solve for x
    x = 133,625,784,175.74/408,991.24
  6. Step 6: Final answer
    x = 326,720.41

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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.