Home / 330,148.02-495,249.66-105,540.42

Finding the Fourth Proportional to 330,148.02, 495,249.66 and 105,540.42

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Solution

The fourth proportional to 330,148.02, 495,249.66 and 105,540.42 is: 158,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,148.02 : 495,249.66 = 105,540.42 : x
  2. Step 2: Convert to fraction form
    330,148.02/495,249.66 = 105,540.42/x
  3. Step 3: Cross multiply
    330,148.02x = 495,249.66 × 105,540.42
  4. Step 4: Simplify right side
    330,148.02x = 52,268,857,121.26
  5. Step 5: Solve for x
    x = 52,268,857,121.26/330,148.02
  6. Step 6: Final answer
    x = 158,319.46

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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.