Home / 238,939.06-358,207.71-159,811.78

Finding the Fourth Proportional to 238,939.06, 358,207.71 and 159,811.78

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Solution

The fourth proportional to 238,939.06, 358,207.71 and 159,811.78 is: 239,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,939.06 : 358,207.71 = 159,811.78 : x
  2. Step 2: Convert to fraction form
    238,939.06/358,207.71 = 159,811.78/x
  3. Step 3: Cross multiply
    238,939.06x = 358,207.71 × 159,811.78
  4. Step 4: Simplify right side
    238,939.06x = 57,245,811,744.82
  5. Step 5: Solve for x
    x = 57,245,811,744.82/238,939.06
  6. Step 6: Final answer
    x = 239,583.31

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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.