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Finding the Fourth Proportional to 330,016.60, 494,927.70 and 130,270.60

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Solution

The fourth proportional to 330,016.60, 494,927.70 and 130,270.60 is: 195,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,016.60 : 494,927.70 = 130,270.60 : x
  2. Step 2: Convert to fraction form
    330,016.60/494,927.70 = 130,270.60/x
  3. Step 3: Cross multiply
    330,016.60x = 494,927.70 × 130,270.60
  4. Step 4: Simplify right side
    330,016.60x = 64,474,528,435.62
  5. Step 5: Solve for x
    x = 64,474,528,435.62/330,016.60
  6. Step 6: Final answer
    x = 195,367.53

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1.5x scale

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.