Home / 347,792.32-479,971.40-194,821.60

Finding the Fourth Proportional to 347,792.32, 479,971.40 and 194,821.60

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Solution

The fourth proportional to 347,792.32, 479,971.40 and 194,821.60 is: 268,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,792.32 : 479,971.40 = 194,821.60 : x
  2. Step 2: Convert to fraction form
    347,792.32/479,971.40 = 194,821.60/x
  3. Step 3: Cross multiply
    347,792.32x = 479,971.40 × 194,821.60
  4. Step 4: Simplify right side
    347,792.32x = 93,508,796,102.24
  5. Step 5: Solve for x
    x = 93,508,796,102.24/347,792.32
  6. Step 6: Final answer
    x = 268,863.89

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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.