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Finding the Fourth Proportional to 401,058.58, 601,641.20 and 187,797.37

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Solution

The fourth proportional to 401,058.58, 601,641.20 and 187,797.37 is: 281,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,058.58 : 601,641.20 = 187,797.37 : x
  2. Step 2: Convert to fraction form
    401,058.58/601,641.20 = 187,797.37/x
  3. Step 3: Cross multiply
    401,058.58x = 601,641.20 × 187,797.37
  4. Step 4: Simplify right side
    401,058.58x = 112,986,635,043.64
  5. Step 5: Solve for x
    x = 112,986,635,043.64/401,058.58
  6. Step 6: Final answer
    x = 281,721.03

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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.