Home / 347,634.64-479,742.60-226,853.20

Finding the Fourth Proportional to 347,634.64, 479,742.60 and 226,853.20

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Solution

The fourth proportional to 347,634.64, 479,742.60 and 226,853.20 is: 313,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,634.64 : 479,742.60 = 226,853.20 : x
  2. Step 2: Convert to fraction form
    347,634.64/479,742.60 = 226,853.20/x
  3. Step 3: Cross multiply
    347,634.64x = 479,742.60 × 226,853.20
  4. Step 4: Simplify right side
    347,634.64x = 108,831,143,986.32
  5. Step 5: Solve for x
    x = 108,831,143,986.32/347,634.64
  6. Step 6: Final answer
    x = 313,061.85

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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.