Home / 271,493.15-374,715.07-156,790.47

Finding the Fourth Proportional to 271,493.15, 374,715.07 and 156,790.47

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Solution

The fourth proportional to 271,493.15, 374,715.07 and 156,790.47 is: 216,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,493.15 : 374,715.07 = 156,790.47 : x
  2. Step 2: Convert to fraction form
    271,493.15/374,715.07 = 156,790.47/x
  3. Step 3: Cross multiply
    271,493.15x = 374,715.07 × 156,790.47
  4. Step 4: Simplify right side
    271,493.15x = 58,751,753,530.08
  5. Step 5: Solve for x
    x = 58,751,753,530.08/271,493.15
  6. Step 6: Final answer
    x = 216,402.34

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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.