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Finding the Fourth Proportional to 290,466.41, 400,796.51 and 181,557.86

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Solution

The fourth proportional to 290,466.41, 400,796.51 and 181,557.86 is: 250,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,466.41 : 400,796.51 = 181,557.86 : x
  2. Step 2: Convert to fraction form
    290,466.41/400,796.51 = 181,557.86/x
  3. Step 3: Cross multiply
    290,466.41x = 400,796.51 × 181,557.86
  4. Step 4: Simplify right side
    290,466.41x = 72,767,753,739.30
  5. Step 5: Solve for x
    x = 72,767,753,739.30/290,466.41
  6. Step 6: Final answer
    x = 250,520.38

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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.