Home / 216,291.05-298,452.17-120,785.57

Finding the Fourth Proportional to 216,291.05, 298,452.17 and 120,785.57

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Solution

The fourth proportional to 216,291.05, 298,452.17 and 120,785.57 is: 166,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,291.05 : 298,452.17 = 120,785.57 : x
  2. Step 2: Convert to fraction form
    216,291.05/298,452.17 = 120,785.57/x
  3. Step 3: Cross multiply
    216,291.05x = 298,452.17 × 120,785.57
  4. Step 4: Simplify right side
    216,291.05x = 36,048,714,867.26
  5. Step 5: Solve for x
    x = 36,048,714,867.26/216,291.05
  6. Step 6: Final answer
    x = 166,667.62

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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.