Home / 204,231.04-306,033.60-137,424

Finding the Fourth Proportional to 204,231.04, 306,033.60 and 137,424

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Solution

The fourth proportional to 204,231.04, 306,033.60 and 137,424 is: 205,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,231.04 : 306,033.60 = 137,424 : x
  2. Step 2: Convert to fraction form
    204,231.04/306,033.60 = 137,424/x
  3. Step 3: Cross multiply
    204,231.04x = 306,033.60 × 137,424
  4. Step 4: Simplify right side
    204,231.04x = 42,056,361,446.40
  5. Step 5: Solve for x
    x = 42,056,361,446.40/204,231.04
  6. Step 6: Final answer
    x = 205,925.41

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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.