Home / 255,569.22-383,067.09-86,932.08

Finding the Fourth Proportional to 255,569.22, 383,067.09 and 86,932.08

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Solution

The fourth proportional to 255,569.22, 383,067.09 and 86,932.08 is: 130,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,569.22 : 383,067.09 = 86,932.08 : x
  2. Step 2: Convert to fraction form
    255,569.22/383,067.09 = 86,932.08/x
  3. Step 3: Cross multiply
    255,569.22x = 383,067.09 × 86,932.08
  4. Step 4: Simplify right side
    255,569.22x = 33,300,818,913.25
  5. Step 5: Solve for x
    x = 33,300,818,913.25/255,569.22
  6. Step 6: Final answer
    x = 130,300.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.