Home / 211,906.56-292,690.08-158,429.28

Finding the Fourth Proportional to 211,906.56, 292,690.08 and 158,429.28

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Solution

The fourth proportional to 211,906.56, 292,690.08 and 158,429.28 is: 218,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,906.56 : 292,690.08 = 158,429.28 : x
  2. Step 2: Convert to fraction form
    211,906.56/292,690.08 = 158,429.28/x
  3. Step 3: Cross multiply
    211,906.56x = 292,690.08 × 158,429.28
  4. Step 4: Simplify right side
    211,906.56x = 46,370,678,637.54
  5. Step 5: Solve for x
    x = 46,370,678,637.54/211,906.56
  6. Step 6: Final answer
    x = 218,826.06

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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.