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Finding the Fourth Proportional to 418,548.33, 577,620.32 and 227,557.62

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Solution

The fourth proportional to 418,548.33, 577,620.32 and 227,557.62 is: 314,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,548.33 : 577,620.32 = 227,557.62 : x
  2. Step 2: Convert to fraction form
    418,548.33/577,620.32 = 227,557.62/x
  3. Step 3: Cross multiply
    418,548.33x = 577,620.32 × 227,557.62
  4. Step 4: Simplify right side
    418,548.33x = 131,441,904,145.05
  5. Step 5: Solve for x
    x = 131,441,904,145.05/418,548.33
  6. Step 6: Final answer
    x = 314,042.36

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1.5x scale

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.