Home / 286,255.22-395,013.93-158,930.78

Finding the Fourth Proportional to 286,255.22, 395,013.93 and 158,930.78

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Solution

The fourth proportional to 286,255.22, 395,013.93 and 158,930.78 is: 219,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,255.22 : 395,013.93 = 158,930.78 : x
  2. Step 2: Convert to fraction form
    286,255.22/395,013.93 = 158,930.78/x
  3. Step 3: Cross multiply
    286,255.22x = 395,013.93 × 158,930.78
  4. Step 4: Simplify right side
    286,255.22x = 62,779,872,005.77
  5. Step 5: Solve for x
    x = 62,779,872,005.77/286,255.22
  6. Step 6: Final answer
    x = 219,314.33

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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.