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Finding the Fourth Proportional to 290,979.09, 401,606.41 and 182,133.92

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Solution

The fourth proportional to 290,979.09, 401,606.41 and 182,133.92 is: 251,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,979.09 : 401,606.41 = 182,133.92 : x
  2. Step 2: Convert to fraction form
    290,979.09/401,606.41 = 182,133.92/x
  3. Step 3: Cross multiply
    290,979.09x = 401,606.41 × 182,133.92
  4. Step 4: Simplify right side
    290,979.09x = 73,146,149,134.59
  5. Step 5: Solve for x
    x = 73,146,149,134.59/290,979.09
  6. Step 6: Final answer
    x = 251,379.40

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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.