Home / 330,022.60-494,936.70-130,276.60

Finding the Fourth Proportional to 330,022.60, 494,936.70 and 130,276.60

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Solution

The fourth proportional to 330,022.60, 494,936.70 and 130,276.60 is: 195,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,022.60 : 494,936.70 = 130,276.60 : x
  2. Step 2: Convert to fraction form
    330,022.60/494,936.70 = 130,276.60/x
  3. Step 3: Cross multiply
    330,022.60x = 494,936.70 × 130,276.60
  4. Step 4: Simplify right side
    330,022.60x = 64,478,670,491.22
  5. Step 5: Solve for x
    x = 64,478,670,491.22/330,022.60
  6. Step 6: Final answer
    x = 195,376.53

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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.