Home / 238,579.28-329,256.84-143,083.92

Finding the Fourth Proportional to 238,579.28, 329,256.84 and 143,083.92

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Solution

The fourth proportional to 238,579.28, 329,256.84 and 143,083.92 is: 197,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,579.28 : 329,256.84 = 143,083.92 : x
  2. Step 2: Convert to fraction form
    238,579.28/329,256.84 = 143,083.92/x
  3. Step 3: Cross multiply
    238,579.28x = 329,256.84 × 143,083.92
  4. Step 4: Simplify right side
    238,579.28x = 47,111,359,354.01
  5. Step 5: Solve for x
    x = 47,111,359,354.01/238,579.28
  6. Step 6: Final answer
    x = 197,466.27

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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.