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Finding the Fourth Proportional to 378,655.92, 567,600.62 and 245,620.71

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Solution

The fourth proportional to 378,655.92, 567,600.62 and 245,620.71 is: 368,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,655.92 : 567,600.62 = 245,620.71 : x
  2. Step 2: Convert to fraction form
    378,655.92/567,600.62 = 245,620.71/x
  3. Step 3: Cross multiply
    378,655.92x = 567,600.62 × 245,620.71
  4. Step 4: Simplify right side
    378,655.92x = 139,414,466,052.74
  5. Step 5: Solve for x
    x = 139,414,466,052.74/378,655.92
  6. Step 6: Final answer
    x = 368,182.45

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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.