Home / 318,274.23-439,223.79-182,320.07

Finding the Fourth Proportional to 318,274.23, 439,223.79 and 182,320.07

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Solution

The fourth proportional to 318,274.23, 439,223.79 and 182,320.07 is: 251,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,274.23 : 439,223.79 = 182,320.07 : x
  2. Step 2: Convert to fraction form
    318,274.23/439,223.79 = 182,320.07/x
  3. Step 3: Cross multiply
    318,274.23x = 439,223.79 × 182,320.07
  4. Step 4: Simplify right side
    318,274.23x = 80,079,309,942.35
  5. Step 5: Solve for x
    x = 80,079,309,942.35/318,274.23
  6. Step 6: Final answer
    x = 251,604.76

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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.