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Finding the Fourth Proportional to 271,926.99, 375,319.28 and 151,109.82

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Solution

The fourth proportional to 271,926.99, 375,319.28 and 151,109.82 is: 208,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,926.99 : 375,319.28 = 151,109.82 : x
  2. Step 2: Convert to fraction form
    271,926.99/375,319.28 = 151,109.82/x
  3. Step 3: Cross multiply
    271,926.99x = 375,319.28 × 151,109.82
  4. Step 4: Simplify right side
    271,926.99x = 56,714,428,843.33
  5. Step 5: Solve for x
    x = 56,714,428,843.33/271,926.99
  6. Step 6: Final answer
    x = 208,564.91

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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.