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Finding the Fourth Proportional to 216,758.68, 299,229.24 and 163,064.14

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Solution

The fourth proportional to 216,758.68, 299,229.24 and 163,064.14 is: 225,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,758.68 : 299,229.24 = 163,064.14 : x
  2. Step 2: Convert to fraction form
    216,758.68/299,229.24 = 163,064.14/x
  3. Step 3: Cross multiply
    216,758.68x = 299,229.24 × 163,064.14
  4. Step 4: Simplify right side
    216,758.68x = 48,793,558,683.45
  5. Step 5: Solve for x
    x = 48,793,558,683.45/216,758.68
  6. Step 6: Final answer
    x = 225,105.44

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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.