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Finding the Fourth Proportional to 271,873.80, 375,169.86 and 151,008.03

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Solution

The fourth proportional to 271,873.80, 375,169.86 and 151,008.03 is: 208,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,873.80 : 375,169.86 = 151,008.03 : x
  2. Step 2: Convert to fraction form
    271,873.80/375,169.86 = 151,008.03/x
  3. Step 3: Cross multiply
    271,873.80x = 375,169.86 × 151,008.03
  4. Step 4: Simplify right side
    271,873.80x = 56,653,661,473.98
  5. Step 5: Solve for x
    x = 56,653,661,473.98/271,873.80
  6. Step 6: Final answer
    x = 208,382.20

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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.