Home / 318,763.28-439,855.02-182,790.20

Finding the Fourth Proportional to 318,763.28, 439,855.02 and 182,790.20

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Solution

The fourth proportional to 318,763.28, 439,855.02 and 182,790.20 is: 252,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,763.28 : 439,855.02 = 182,790.20 : x
  2. Step 2: Convert to fraction form
    318,763.28/439,855.02 = 182,790.20/x
  3. Step 3: Cross multiply
    318,763.28x = 439,855.02 × 182,790.20
  4. Step 4: Simplify right side
    318,763.28x = 80,401,187,076.80
  5. Step 5: Solve for x
    x = 80,401,187,076.80/318,763.28
  6. Step 6: Final answer
    x = 252,228.51

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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.