Home / 378,342.44-522,116.06-208,582.64

Finding the Fourth Proportional to 378,342.44, 522,116.06 and 208,582.64

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Solution

The fourth proportional to 378,342.44, 522,116.06 and 208,582.64 is: 287,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,342.44 : 522,116.06 = 208,582.64 : x
  2. Step 2: Convert to fraction form
    378,342.44/522,116.06 = 208,582.64/x
  3. Step 3: Cross multiply
    378,342.44x = 522,116.06 × 208,582.64
  4. Step 4: Simplify right side
    378,342.44x = 108,904,346,181.20
  5. Step 5: Solve for x
    x = 108,904,346,181.20/378,342.44
  6. Step 6: Final answer
    x = 287,845.97

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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.