Home / 330,923.41-495,948.90-131,134.81

Finding the Fourth Proportional to 330,923.41, 495,948.90 and 131,134.81

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Solution

The fourth proportional to 330,923.41, 495,948.90 and 131,134.81 is: 196,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,923.41 : 495,948.90 = 131,134.81 : x
  2. Step 2: Convert to fraction form
    330,923.41/495,948.90 = 131,134.81/x
  3. Step 3: Cross multiply
    330,923.41x = 495,948.90 × 131,134.81
  4. Step 4: Simplify right side
    330,923.41x = 65,036,164,771.21
  5. Step 5: Solve for x
    x = 65,036,164,771.21/330,923.41
  6. Step 6: Final answer
    x = 196,529.36

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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.