Home / 330,325.85-495,552.33-140,782.66

Finding the Fourth Proportional to 330,325.85, 495,552.33 and 140,782.66

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Solution

The fourth proportional to 330,325.85, 495,552.33 and 140,782.66 is: 211,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,325.85 : 495,552.33 = 140,782.66 : x
  2. Step 2: Convert to fraction form
    330,325.85/495,552.33 = 140,782.66/x
  3. Step 3: Cross multiply
    330,325.85x = 495,552.33 × 140,782.66
  4. Step 4: Simplify right side
    330,325.85x = 69,765,173,947.72
  5. Step 5: Solve for x
    x = 69,765,173,947.72/330,325.85
  6. Step 6: Final answer
    x = 211,201.07

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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.