Home / 271,243.81-374,310.66-156,513.45

Finding the Fourth Proportional to 271,243.81, 374,310.66 and 156,513.45

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Solution

The fourth proportional to 271,243.81, 374,310.66 and 156,513.45 is: 215,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,243.81 : 374,310.66 = 156,513.45 : x
  2. Step 2: Convert to fraction form
    271,243.81/374,310.66 = 156,513.45/x
  3. Step 3: Cross multiply
    271,243.81x = 374,310.66 × 156,513.45
  4. Step 4: Simplify right side
    271,243.81x = 58,584,652,768.38
  5. Step 5: Solve for x
    x = 58,584,652,768.38/271,243.81
  6. Step 6: Final answer
    x = 215,985.22

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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.