Home / 347,788.32-479,965.86-194,817.60

Finding the Fourth Proportional to 347,788.32, 479,965.86 and 194,817.60

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Solution

The fourth proportional to 347,788.32, 479,965.86 and 194,817.60 is: 268,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,788.32 : 479,965.86 = 194,817.60 : x
  2. Step 2: Convert to fraction form
    347,788.32/479,965.86 = 194,817.60/x
  3. Step 3: Cross multiply
    347,788.32x = 479,965.86 × 194,817.60
  4. Step 4: Simplify right side
    347,788.32x = 93,505,796,927.14
  5. Step 5: Solve for x
    x = 93,505,796,927.14/347,788.32
  6. Step 6: Final answer
    x = 268,858.36

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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.