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Finding the Fourth Proportional to 501,892.38, 752,174.06 and 368,146.40

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Solution

The fourth proportional to 501,892.38, 752,174.06 and 368,146.40 is: 551,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,892.38 : 752,174.06 = 368,146.40 : x
  2. Step 2: Convert to fraction form
    501,892.38/752,174.06 = 368,146.40/x
  3. Step 3: Cross multiply
    501,892.38x = 752,174.06 × 368,146.40
  4. Step 4: Simplify right side
    501,892.38x = 276,910,172,362.38
  5. Step 5: Solve for x
    x = 276,910,172,362.38/501,892.38
  6. Step 6: Final answer
    x = 551,732.17

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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.