Home / 268,872.69-403,558.25-135,846.66

Finding the Fourth Proportional to 268,872.69, 403,558.25 and 135,846.66

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Solution

The fourth proportional to 268,872.69, 403,558.25 and 135,846.66 is: 203,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,872.69 : 403,558.25 = 135,846.66 : x
  2. Step 2: Convert to fraction form
    268,872.69/403,558.25 = 135,846.66/x
  3. Step 3: Cross multiply
    268,872.69x = 403,558.25 × 135,846.66
  4. Step 4: Simplify right side
    268,872.69x = 54,822,039,698.71
  5. Step 5: Solve for x
    x = 54,822,039,698.71/268,872.69
  6. Step 6: Final answer
    x = 203,895.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.