Home / 238,420.72-329,028.44-130,998.52

Finding the Fourth Proportional to 238,420.72, 329,028.44 and 130,998.52

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Solution

The fourth proportional to 238,420.72, 329,028.44 and 130,998.52 is: 180,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,420.72 : 329,028.44 = 130,998.52 : x
  2. Step 2: Convert to fraction form
    238,420.72/329,028.44 = 130,998.52/x
  3. Step 3: Cross multiply
    238,420.72x = 329,028.44 × 130,998.52
  4. Step 4: Simplify right side
    238,420.72x = 43,102,238,677.91
  5. Step 5: Solve for x
    x = 43,102,238,677.91/238,420.72
  6. Step 6: Final answer
    x = 180,782.27

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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.