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Finding the Fourth Proportional to 271,918.32, 375,348.36 and 233,523.72

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Solution

The fourth proportional to 271,918.32, 375,348.36 and 233,523.72 is: 322,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,918.32 : 375,348.36 = 233,523.72 : x
  2. Step 2: Convert to fraction form
    271,918.32/375,348.36 = 233,523.72/x
  3. Step 3: Cross multiply
    271,918.32x = 375,348.36 × 233,523.72
  4. Step 4: Simplify right side
    271,918.32x = 87,652,745,323.10
  5. Step 5: Solve for x
    x = 87,652,745,323.10/271,918.32
  6. Step 6: Final answer
    x = 322,349.54

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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.