Home / 217,704.19-326,559.74-82,770.32

Finding the Fourth Proportional to 217,704.19, 326,559.74 and 82,770.32

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Solution

The fourth proportional to 217,704.19, 326,559.74 and 82,770.32 is: 124,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,704.19 : 326,559.74 = 82,770.32 : x
  2. Step 2: Convert to fraction form
    217,704.19/326,559.74 = 82,770.32/x
  3. Step 3: Cross multiply
    217,704.19x = 326,559.74 × 82,770.32
  4. Step 4: Simplify right side
    217,704.19x = 27,029,452,753.04
  5. Step 5: Solve for x
    x = 27,029,452,753.04/217,704.19
  6. Step 6: Final answer
    x = 124,156.79

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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.