Home / 318,939.05-440,105.60-182,984.20

Finding the Fourth Proportional to 318,939.05, 440,105.60 and 182,984.20

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Solution

The fourth proportional to 318,939.05, 440,105.60 and 182,984.20 is: 252,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,939.05 : 440,105.60 = 182,984.20 : x
  2. Step 2: Convert to fraction form
    318,939.05/440,105.60 = 182,984.20/x
  3. Step 3: Cross multiply
    318,939.05x = 440,105.60 × 182,984.20
  4. Step 4: Simplify right side
    318,939.05x = 80,532,370,488.72
  5. Step 5: Solve for x
    x = 80,532,370,488.72/318,939.05
  6. Step 6: Final answer
    x = 252,500.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.