Home / 378,328.41-522,096.72-208,568.61

Finding the Fourth Proportional to 378,328.41, 522,096.72 and 208,568.61

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Solution

The fourth proportional to 378,328.41, 522,096.72 and 208,568.61 is: 287,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,328.41 : 522,096.72 = 208,568.61 : x
  2. Step 2: Convert to fraction form
    378,328.41/522,096.72 = 208,568.61/x
  3. Step 3: Cross multiply
    378,328.41x = 522,096.72 × 208,568.61
  4. Step 4: Simplify right side
    378,328.41x = 108,892,987,175.96
  5. Step 5: Solve for x
    x = 108,892,987,175.96/378,328.41
  6. Step 6: Final answer
    x = 287,826.62

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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.