Home / 238,701.94-329,240.09-202,643.78

Finding the Fourth Proportional to 238,701.94, 329,240.09 and 202,643.78

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Solution

The fourth proportional to 238,701.94, 329,240.09 and 202,643.78 is: 279,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,701.94 : 329,240.09 = 202,643.78 : x
  2. Step 2: Convert to fraction form
    238,701.94/329,240.09 = 202,643.78/x
  3. Step 3: Cross multiply
    238,701.94x = 329,240.09 × 202,643.78
  4. Step 4: Simplify right side
    238,701.94x = 66,718,455,225.55
  5. Step 5: Solve for x
    x = 66,718,455,225.55/238,701.94
  6. Step 6: Final answer
    x = 279,505.29

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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.