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Finding the Fourth Proportional to 271,654.68, 374,881.80 and 150,813.48

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Solution

The fourth proportional to 271,654.68, 374,881.80 and 150,813.48 is: 208,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,654.68 : 374,881.80 = 150,813.48 : x
  2. Step 2: Convert to fraction form
    271,654.68/374,881.80 = 150,813.48/x
  3. Step 3: Cross multiply
    271,654.68x = 374,881.80 × 150,813.48
  4. Step 4: Simplify right side
    271,654.68x = 56,537,228,846.66
  5. Step 5: Solve for x
    x = 56,537,228,846.66/271,654.68
  6. Step 6: Final answer
    x = 208,121.68

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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.