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Finding the Fourth Proportional to 159,216.39, 238,786.26 and 46,866.08

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Solution

The fourth proportional to 159,216.39, 238,786.26 and 46,866.08 is: 70,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,216.39 : 238,786.26 = 46,866.08 : x
  2. Step 2: Convert to fraction form
    159,216.39/238,786.26 = 46,866.08/x
  3. Step 3: Cross multiply
    159,216.39x = 238,786.26 × 46,866.08
  4. Step 4: Simplify right side
    159,216.39x = 11,190,974,770.13
  5. Step 5: Solve for x
    x = 11,190,974,770.13/159,216.39
  6. Step 6: Final answer
    x = 70,287.83

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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.