Home / 330,020.00-495,238.25-140,480.09

Finding the Fourth Proportional to 330,020.00, 495,238.25 and 140,480.09

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Solution

The fourth proportional to 330,020.00, 495,238.25 and 140,480.09 is: 210,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,020.00 : 495,238.25 = 140,480.09 : x
  2. Step 2: Convert to fraction form
    330,020.00/495,238.25 = 140,480.09/x
  3. Step 3: Cross multiply
    330,020.00x = 495,238.25 × 140,480.09
  4. Step 4: Simplify right side
    330,020.00x = 69,571,110,752.85
  5. Step 5: Solve for x
    x = 69,571,110,752.85/330,020.00
  6. Step 6: Final answer
    x = 210,808.77

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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.