Home / 319,790.35-479,641.83-95,185.45

Finding the Fourth Proportional to 319,790.35, 479,641.83 and 95,185.45

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Solution

The fourth proportional to 319,790.35, 479,641.83 and 95,185.45 is: 142,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,790.35 : 479,641.83 = 95,185.45 : x
  2. Step 2: Convert to fraction form
    319,790.35/479,641.83 = 95,185.45/x
  3. Step 3: Cross multiply
    319,790.35x = 479,641.83 × 95,185.45
  4. Step 4: Simplify right side
    319,790.35x = 45,654,923,427.37
  5. Step 5: Solve for x
    x = 45,654,923,427.37/319,790.35
  6. Step 6: Final answer
    x = 142,765.17

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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.