Home / 271,906.02-407,761.74-103,381.47

Finding the Fourth Proportional to 271,906.02, 407,761.74 and 103,381.47

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Solution

The fourth proportional to 271,906.02, 407,761.74 and 103,381.47 is: 155,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,906.02 : 407,761.74 = 103,381.47 : x
  2. Step 2: Convert to fraction form
    271,906.02/407,761.74 = 103,381.47/x
  3. Step 3: Cross multiply
    271,906.02x = 407,761.74 × 103,381.47
  4. Step 4: Simplify right side
    271,906.02x = 42,155,008,090.96
  5. Step 5: Solve for x
    x = 42,155,008,090.96/271,906.02
  6. Step 6: Final answer
    x = 155,035.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.