Home / 271,986.96-375,335.18-151,128.55

Finding the Fourth Proportional to 271,986.96, 375,335.18 and 151,128.55

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Solution

The fourth proportional to 271,986.96, 375,335.18 and 151,128.55 is: 208,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,986.96 : 375,335.18 = 151,128.55 : x
  2. Step 2: Convert to fraction form
    271,986.96/375,335.18 = 151,128.55/x
  3. Step 3: Cross multiply
    271,986.96x = 375,335.18 × 151,128.55
  4. Step 4: Simplify right side
    271,986.96x = 56,723,862,010.17
  5. Step 5: Solve for x
    x = 56,723,862,010.17/271,986.96
  6. Step 6: Final answer
    x = 208,553.61

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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.