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Finding the Fourth Proportional to 159,044.40, 238,673.88 and 65,548.08

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Solution

The fourth proportional to 159,044.40, 238,673.88 and 65,548.08 is: 98,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,044.40 : 238,673.88 = 65,548.08 : x
  2. Step 2: Convert to fraction form
    159,044.40/238,673.88 = 65,548.08/x
  3. Step 3: Cross multiply
    159,044.40x = 238,673.88 × 65,548.08
  4. Step 4: Simplify right side
    159,044.40x = 15,644,614,580.15
  5. Step 5: Solve for x
    x = 15,644,614,580.15/159,044.40
  6. Step 6: Final answer
    x = 98,366.33

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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.