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Finding the Fourth Proportional to 271,887.43, 375,211.47 and 151,022.92

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Solution

The fourth proportional to 271,887.43, 375,211.47 and 151,022.92 is: 208,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,887.43 : 375,211.47 = 151,022.92 : x
  2. Step 2: Convert to fraction form
    271,887.43/375,211.47 = 151,022.92/x
  3. Step 3: Cross multiply
    271,887.43x = 375,211.47 × 151,022.92
  4. Step 4: Simplify right side
    271,887.43x = 56,665,531,816.89
  5. Step 5: Solve for x
    x = 56,665,531,816.89/271,887.43
  6. Step 6: Final answer
    x = 208,415.42

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1.5x scale

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.