Home / 217,466.20-326,121.04-75,272.84

Finding the Fourth Proportional to 217,466.20, 326,121.04 and 75,272.84

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Solution

The fourth proportional to 217,466.20, 326,121.04 and 75,272.84 is: 112,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,466.20 : 326,121.04 = 75,272.84 : x
  2. Step 2: Convert to fraction form
    217,466.20/326,121.04 = 75,272.84/x
  3. Step 3: Cross multiply
    217,466.20x = 326,121.04 × 75,272.84
  4. Step 4: Simplify right side
    217,466.20x = 24,548,056,864.55
  5. Step 5: Solve for x
    x = 24,548,056,864.55/217,466.20
  6. Step 6: Final answer
    x = 112,882.17

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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.