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Finding the Fourth Proportional to 271,977.70, 375,221.70 and 157,235.22

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Solution

The fourth proportional to 271,977.70, 375,221.70 and 157,235.22 is: 216,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,977.70 : 375,221.70 = 157,235.22 : x
  2. Step 2: Convert to fraction form
    271,977.70/375,221.70 = 157,235.22/x
  3. Step 3: Cross multiply
    271,977.70x = 375,221.70 × 157,235.22
  4. Step 4: Simplify right side
    271,977.70x = 58,998,066,548.27
  5. Step 5: Solve for x
    x = 58,998,066,548.27/271,977.70
  6. Step 6: Final answer
    x = 216,922.44

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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.