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Finding the Fourth Proportional to 251,168.78, 375,127.44 and 227,428.89

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Solution

The fourth proportional to 251,168.78, 375,127.44 and 227,428.89 is: 339,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,168.78 : 375,127.44 = 227,428.89 : x
  2. Step 2: Convert to fraction form
    251,168.78/375,127.44 = 227,428.89/x
  3. Step 3: Cross multiply
    251,168.78x = 375,127.44 × 227,428.89
  4. Step 4: Simplify right side
    251,168.78x = 85,314,817,287.74
  5. Step 5: Solve for x
    x = 85,314,817,287.74/251,168.78
  6. Step 6: Final answer
    x = 339,671.27

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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.