Home / 274,186.17-378,361.22-151,671.24

Finding the Fourth Proportional to 274,186.17, 378,361.22 and 151,671.24

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Solution

The fourth proportional to 274,186.17, 378,361.22 and 151,671.24 is: 209,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,186.17 : 378,361.22 = 151,671.24 : x
  2. Step 2: Convert to fraction form
    274,186.17/378,361.22 = 151,671.24/x
  3. Step 3: Cross multiply
    274,186.17x = 378,361.22 × 151,671.24
  4. Step 4: Simplify right side
    274,186.17x = 57,386,514,646.96
  5. Step 5: Solve for x
    x = 57,386,514,646.96/274,186.17
  6. Step 6: Final answer
    x = 209,297.63

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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.