Home / 330,427.50-456,028.83-196,291.50

Finding the Fourth Proportional to 330,427.50, 456,028.83 and 196,291.50

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Solution

The fourth proportional to 330,427.50, 456,028.83 and 196,291.50 is: 270,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,427.50 : 456,028.83 = 196,291.50 : x
  2. Step 2: Convert to fraction form
    330,427.50/456,028.83 = 196,291.50/x
  3. Step 3: Cross multiply
    330,427.50x = 456,028.83 × 196,291.50
  4. Step 4: Simplify right side
    330,427.50x = 89,514,583,083.95
  5. Step 5: Solve for x
    x = 89,514,583,083.95/330,427.50
  6. Step 6: Final answer
    x = 270,905.37

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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.