Home / 372,020.82-558,118.71-115,841.58

Finding the Fourth Proportional to 372,020.82, 558,118.71 and 115,841.58

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Solution

The fourth proportional to 372,020.82, 558,118.71 and 115,841.58 is: 173,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,020.82 : 558,118.71 = 115,841.58 : x
  2. Step 2: Convert to fraction form
    372,020.82/558,118.71 = 115,841.58/x
  3. Step 3: Cross multiply
    372,020.82x = 558,118.71 × 115,841.58
  4. Step 4: Simplify right side
    372,020.82x = 64,653,353,193.96
  5. Step 5: Solve for x
    x = 64,653,353,193.96/372,020.82
  6. Step 6: Final answer
    x = 173,789.61

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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.