Home / 218,067.74-300,889.37-127,406.19

Finding the Fourth Proportional to 218,067.74, 300,889.37 and 127,406.19

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Solution

The fourth proportional to 218,067.74, 300,889.37 and 127,406.19 is: 175,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,067.74 : 300,889.37 = 127,406.19 : x
  2. Step 2: Convert to fraction form
    218,067.74/300,889.37 = 127,406.19/x
  3. Step 3: Cross multiply
    218,067.74x = 300,889.37 × 127,406.19
  4. Step 4: Simplify right side
    218,067.74x = 38,335,168,243.20
  5. Step 5: Solve for x
    x = 38,335,168,243.20/218,067.74
  6. Step 6: Final answer
    x = 175,794.77

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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.