Home / 204,003.40-306,005.10-199,856.20

Finding the Fourth Proportional to 204,003.40, 306,005.10 and 199,856.20

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Solution

The fourth proportional to 204,003.40, 306,005.10 and 199,856.20 is: 299,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,003.40 : 306,005.10 = 199,856.20 : x
  2. Step 2: Convert to fraction form
    204,003.40/306,005.10 = 199,856.20/x
  3. Step 3: Cross multiply
    204,003.40x = 306,005.10 × 199,856.20
  4. Step 4: Simplify right side
    204,003.40x = 61,157,016,466.62
  5. Step 5: Solve for x
    x = 61,157,016,466.62/204,003.40
  6. Step 6: Final answer
    x = 299,784.30

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1.5x scale

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.