Home / 327,572.36-491,358.38-90,914.96

Finding the Fourth Proportional to 327,572.36, 491,358.38 and 90,914.96

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Solution

The fourth proportional to 327,572.36, 491,358.38 and 90,914.96 is: 136,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,572.36 : 491,358.38 = 90,914.96 : x
  2. Step 2: Convert to fraction form
    327,572.36/491,358.38 = 90,914.96/x
  3. Step 3: Cross multiply
    327,572.36x = 491,358.38 × 90,914.96
  4. Step 4: Simplify right side
    327,572.36x = 44,671,828,919.05
  5. Step 5: Solve for x
    x = 44,671,828,919.05/327,572.36
  6. Step 6: Final answer
    x = 136,372.40

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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.