Home / 219,916.80-329,875.20-196,297.20

Finding the Fourth Proportional to 219,916.80, 329,875.20 and 196,297.20

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Solution

The fourth proportional to 219,916.80, 329,875.20 and 196,297.20 is: 294,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,916.80 : 329,875.20 = 196,297.20 : x
  2. Step 2: Convert to fraction form
    219,916.80/329,875.20 = 196,297.20/x
  3. Step 3: Cross multiply
    219,916.80x = 329,875.20 × 196,297.20
  4. Step 4: Simplify right side
    219,916.80x = 64,753,578,109.44
  5. Step 5: Solve for x
    x = 64,753,578,109.44/219,916.80
  6. Step 6: Final answer
    x = 294,445.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.