Home / 220,738.12-329,274.53-213,358.22

Finding the Fourth Proportional to 220,738.12, 329,274.53 and 213,358.22

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Solution

The fourth proportional to 220,738.12, 329,274.53 and 213,358.22 is: 318,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,738.12 : 329,274.53 = 213,358.22 : x
  2. Step 2: Convert to fraction form
    220,738.12/329,274.53 = 213,358.22/x
  3. Step 3: Cross multiply
    220,738.12x = 329,274.53 × 213,358.22
  4. Step 4: Simplify right side
    220,738.12x = 70,253,427,612.14
  5. Step 5: Solve for x
    x = 70,253,427,612.14/220,738.12
  6. Step 6: Final answer
    x = 318,265.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.