Home / 330,531.60-495,743.94-130,795.32

Finding the Fourth Proportional to 330,531.60, 495,743.94 and 130,795.32

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Solution

The fourth proportional to 330,531.60, 495,743.94 and 130,795.32 is: 196,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,531.60 : 495,743.94 = 130,795.32 : x
  2. Step 2: Convert to fraction form
    330,531.60/495,743.94 = 130,795.32/x
  3. Step 3: Cross multiply
    330,531.60x = 495,743.94 × 130,795.32
  4. Step 4: Simplify right side
    330,531.60x = 64,840,987,270.36
  5. Step 5: Solve for x
    x = 64,840,987,270.36/330,531.60
  6. Step 6: Final answer
    x = 196,171.83

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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.