Home / 204,056.40-306,084.60-147,631.80

Finding the Fourth Proportional to 204,056.40, 306,084.60 and 147,631.80

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Solution

The fourth proportional to 204,056.40, 306,084.60 and 147,631.80 is: 221,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,056.40 : 306,084.60 = 147,631.80 : x
  2. Step 2: Convert to fraction form
    204,056.40/306,084.60 = 147,631.80/x
  3. Step 3: Cross multiply
    204,056.40x = 306,084.60 × 147,631.80
  4. Step 4: Simplify right side
    204,056.40x = 45,187,820,450.28
  5. Step 5: Solve for x
    x = 45,187,820,450.28/204,056.40
  6. Step 6: Final answer
    x = 221,447.70

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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.