Home / 328,910.10-493,515.82-178,925.64

Finding the Fourth Proportional to 328,910.10, 493,515.82 and 178,925.64

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Solution

The fourth proportional to 328,910.10, 493,515.82 and 178,925.64 is: 268,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,910.10 : 493,515.82 = 178,925.64 : x
  2. Step 2: Convert to fraction form
    328,910.10/493,515.82 = 178,925.64/x
  3. Step 3: Cross multiply
    328,910.10x = 493,515.82 × 178,925.64
  4. Step 4: Simplify right side
    328,910.10x = 88,302,633,943.62
  5. Step 5: Solve for x
    x = 88,302,633,943.62/328,910.10
  6. Step 6: Final answer
    x = 268,470.42

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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.