Home / 409,058.09-613,381.80-238,335.07

Finding the Fourth Proportional to 409,058.09, 613,381.80 and 238,335.07

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Solution

The fourth proportional to 409,058.09, 613,381.80 and 238,335.07 is: 357,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,058.09 : 613,381.80 = 238,335.07 : x
  2. Step 2: Convert to fraction form
    409,058.09/613,381.80 = 238,335.07/x
  3. Step 3: Cross multiply
    409,058.09x = 613,381.80 × 238,335.07
  4. Step 4: Simplify right side
    409,058.09x = 146,190,394,239.73
  5. Step 5: Solve for x
    x = 146,190,394,239.73/409,058.09
  6. Step 6: Final answer
    x = 357,382.97

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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.