Home / 271,313.28-374,436-158,133.60

Finding the Fourth Proportional to 271,313.28, 374,436 and 158,133.60

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Solution

The fourth proportional to 271,313.28, 374,436 and 158,133.60 is: 218,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,313.28 : 374,436 = 158,133.60 : x
  2. Step 2: Convert to fraction form
    271,313.28/374,436 = 158,133.60/x
  3. Step 3: Cross multiply
    271,313.28x = 374,436 × 158,133.60
  4. Step 4: Simplify right side
    271,313.28x = 59,210,912,649.60
  5. Step 5: Solve for x
    x = 59,210,912,649.60/271,313.28
  6. Step 6: Final answer
    x = 218,238.17

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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.