Home / 205,987.44-284,263.44-115,347.36

Finding the Fourth Proportional to 205,987.44, 284,263.44 and 115,347.36

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Solution

The fourth proportional to 205,987.44, 284,263.44 and 115,347.36 is: 159,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,987.44 : 284,263.44 = 115,347.36 : x
  2. Step 2: Convert to fraction form
    205,987.44/284,263.44 = 115,347.36/x
  3. Step 3: Cross multiply
    205,987.44x = 284,263.44 × 115,347.36
  4. Step 4: Simplify right side
    205,987.44x = 32,789,037,348.52
  5. Step 5: Solve for x
    x = 32,789,037,348.52/205,987.44
  6. Step 6: Final answer
    x = 159,179.79

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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.