Home / 204,323.40-306,485.10-141,337.80

Finding the Fourth Proportional to 204,323.40, 306,485.10 and 141,337.80

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Solution

The fourth proportional to 204,323.40, 306,485.10 and 141,337.80 is: 212,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,323.40 : 306,485.10 = 141,337.80 : x
  2. Step 2: Convert to fraction form
    204,323.40/306,485.10 = 141,337.80/x
  3. Step 3: Cross multiply
    204,323.40x = 306,485.10 × 141,337.80
  4. Step 4: Simplify right side
    204,323.40x = 43,317,929,766.78
  5. Step 5: Solve for x
    x = 43,317,929,766.78/204,323.40
  6. Step 6: Final answer
    x = 212,006.70

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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.