Home / 347,764.16-479,956.92-204,517.28

Finding the Fourth Proportional to 347,764.16, 479,956.92 and 204,517.28

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Solution

The fourth proportional to 347,764.16, 479,956.92 and 204,517.28 is: 282,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,764.16 : 479,956.92 = 204,517.28 : x
  2. Step 2: Convert to fraction form
    347,764.16/479,956.92 = 204,517.28/x
  3. Step 3: Cross multiply
    347,764.16x = 479,956.92 × 204,517.28
  4. Step 4: Simplify right side
    347,764.16x = 98,159,483,795.58
  5. Step 5: Solve for x
    x = 98,159,483,795.58/347,764.16
  6. Step 6: Final answer
    x = 282,258.77

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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.