Home / 238,764.94-329,327.03-202,706.78

Finding the Fourth Proportional to 238,764.94, 329,327.03 and 202,706.78

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Solution

The fourth proportional to 238,764.94, 329,327.03 and 202,706.78 is: 279,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,764.94 : 329,327.03 = 202,706.78 : x
  2. Step 2: Convert to fraction form
    238,764.94/329,327.03 = 202,706.78/x
  3. Step 3: Cross multiply
    238,764.94x = 329,327.03 × 202,706.78
  4. Step 4: Simplify right side
    238,764.94x = 66,756,820,678.40
  5. Step 5: Solve for x
    x = 66,756,820,678.40/238,764.94
  6. Step 6: Final answer
    x = 279,592.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.