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Finding the Fourth Proportional to 271,275.94, 404,355.04 and 251,089.93

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Solution

The fourth proportional to 271,275.94, 404,355.04 and 251,089.93 is: 374,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,275.94 : 404,355.04 = 251,089.93 : x
  2. Step 2: Convert to fraction form
    271,275.94/404,355.04 = 251,089.93/x
  3. Step 3: Cross multiply
    271,275.94x = 404,355.04 × 251,089.93
  4. Step 4: Simplify right side
    271,275.94x = 101,529,478,688.75
  5. Step 5: Solve for x
    x = 101,529,478,688.75/271,275.94
  6. Step 6: Final answer
    x = 374,266.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.