Home / 204,030.20-306,045.30-162,039.80

Finding the Fourth Proportional to 204,030.20, 306,045.30 and 162,039.80

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Solution

The fourth proportional to 204,030.20, 306,045.30 and 162,039.80 is: 243,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.20 : 306,045.30 = 162,039.80 : x
  2. Step 2: Convert to fraction form
    204,030.20/306,045.30 = 162,039.80/x
  3. Step 3: Cross multiply
    204,030.20x = 306,045.30 × 162,039.80
  4. Step 4: Simplify right side
    204,030.20x = 49,591,519,202.94
  5. Step 5: Solve for x
    x = 49,591,519,202.94/204,030.20
  6. Step 6: Final answer
    x = 243,059.70

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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.