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Finding the Fourth Proportional to 378,285.54, 567,511.32 and 112,066.88

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Solution

The fourth proportional to 378,285.54, 567,511.32 and 112,066.88 is: 168,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,285.54 : 567,511.32 = 112,066.88 : x
  2. Step 2: Convert to fraction form
    378,285.54/567,511.32 = 112,066.88/x
  3. Step 3: Cross multiply
    378,285.54x = 567,511.32 × 112,066.88
  4. Step 4: Simplify right side
    378,285.54x = 63,599,222,997.08
  5. Step 5: Solve for x
    x = 63,599,222,997.08/378,285.54
  6. Step 6: Final answer
    x = 168,124.91

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1.5x scale

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.