Home / 211,910.56-292,695.60-158,433.28

Finding the Fourth Proportional to 211,910.56, 292,695.60 and 158,433.28

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Solution

The fourth proportional to 211,910.56, 292,695.60 and 158,433.28 is: 218,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,910.56 : 292,695.60 = 158,433.28 : x
  2. Step 2: Convert to fraction form
    211,910.56/292,695.60 = 158,433.28/x
  3. Step 3: Cross multiply
    211,910.56x = 292,695.60 × 158,433.28
  4. Step 4: Simplify right side
    211,910.56x = 46,372,723,949.57
  5. Step 5: Solve for x
    x = 46,372,723,949.57/211,910.56
  6. Step 6: Final answer
    x = 218,831.59

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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.