Home / 330,286.24-495,302.58-140,626.36

Finding the Fourth Proportional to 330,286.24, 495,302.58 and 140,626.36

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Solution

The fourth proportional to 330,286.24, 495,302.58 and 140,626.36 is: 210,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,286.24 : 495,302.58 = 140,626.36 : x
  2. Step 2: Convert to fraction form
    330,286.24/495,302.58 = 140,626.36/x
  3. Step 3: Cross multiply
    330,286.24x = 495,302.58 × 140,626.36
  4. Step 4: Simplify right side
    330,286.24x = 69,652,598,924.01
  5. Step 5: Solve for x
    x = 69,652,598,924.01/330,286.24
  6. Step 6: Final answer
    x = 210,885.56

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1.5x scale

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.