Home / 330,223.84-495,544.23-140,684.29

Finding the Fourth Proportional to 330,223.84, 495,544.23 and 140,684.29

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Solution

The fourth proportional to 330,223.84, 495,544.23 and 140,684.29 is: 211,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,223.84 : 495,544.23 = 140,684.29 : x
  2. Step 2: Convert to fraction form
    330,223.84/495,544.23 = 140,684.29/x
  3. Step 3: Cross multiply
    330,223.84x = 495,544.23 × 140,684.29
  4. Step 4: Simplify right side
    330,223.84x = 69,715,289,709.72
  5. Step 5: Solve for x
    x = 69,715,289,709.72/330,223.84
  6. Step 6: Final answer
    x = 211,115.26

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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.