Home / 204,490.10-306,965.55-157,949.30

Finding the Fourth Proportional to 204,490.10, 306,965.55 and 157,949.30

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Solution

The fourth proportional to 204,490.10, 306,965.55 and 157,949.30 is: 237,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,490.10 : 306,965.55 = 157,949.30 : x
  2. Step 2: Convert to fraction form
    204,490.10/306,965.55 = 157,949.30/x
  3. Step 3: Cross multiply
    204,490.10x = 306,965.55 × 157,949.30
  4. Step 4: Simplify right side
    204,490.10x = 48,484,993,746.62
  5. Step 5: Solve for x
    x = 48,484,993,746.62/204,490.10
  6. Step 6: Final answer
    x = 237,101.91

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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.