Home / 276,021.42-413,504.20-231,328.72

Finding the Fourth Proportional to 276,021.42, 413,504.20 and 231,328.72

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Solution

The fourth proportional to 276,021.42, 413,504.20 and 231,328.72 is: 346,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,021.42 : 413,504.20 = 231,328.72 : x
  2. Step 2: Convert to fraction form
    276,021.42/413,504.20 = 231,328.72/x
  3. Step 3: Cross multiply
    276,021.42x = 413,504.20 × 231,328.72
  4. Step 4: Simplify right side
    276,021.42x = 95,655,397,300.62
  5. Step 5: Solve for x
    x = 95,655,397,300.62/276,021.42
  6. Step 6: Final answer
    x = 346,550.63

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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.