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Finding the Fourth Proportional to 410,136.40, 615,204.60 and 252,453.70

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Solution

The fourth proportional to 410,136.40, 615,204.60 and 252,453.70 is: 378,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,136.40 : 615,204.60 = 252,453.70 : x
  2. Step 2: Convert to fraction form
    410,136.40/615,204.60 = 252,453.70/x
  3. Step 3: Cross multiply
    410,136.40x = 615,204.60 × 252,453.70
  4. Step 4: Simplify right side
    410,136.40x = 155,310,677,527.02
  5. Step 5: Solve for x
    x = 155,310,677,527.02/410,136.40
  6. Step 6: Final answer
    x = 378,680.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.