Home / 330,287.36-495,304.27-140,627.48

Finding the Fourth Proportional to 330,287.36, 495,304.27 and 140,627.48

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Solution

The fourth proportional to 330,287.36, 495,304.27 and 140,627.48 is: 210,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,287.36 : 495,304.27 = 140,627.48 : x
  2. Step 2: Convert to fraction form
    330,287.36/495,304.27 = 140,627.48/x
  3. Step 3: Cross multiply
    330,287.36x = 495,304.27 × 140,627.48
  4. Step 4: Simplify right side
    330,287.36x = 69,653,388,495.25
  5. Step 5: Solve for x
    x = 69,653,388,495.25/330,287.36
  6. Step 6: Final answer
    x = 210,887.24

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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.