Home / 240,365.87-331,676.12-132,921.29

Finding the Fourth Proportional to 240,365.87, 331,676.12 and 132,921.29

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Solution

The fourth proportional to 240,365.87, 331,676.12 and 132,921.29 is: 183,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,365.87 : 331,676.12 = 132,921.29 : x
  2. Step 2: Convert to fraction form
    240,365.87/331,676.12 = 132,921.29/x
  3. Step 3: Cross multiply
    240,365.87x = 331,676.12 × 132,921.29
  4. Step 4: Simplify right side
    240,365.87x = 44,086,815,409.61
  5. Step 5: Solve for x
    x = 44,086,815,409.61/240,365.87
  6. Step 6: Final answer
    x = 183,415.46

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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.