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Finding the Fourth Proportional to 605,420.20, 908,097.36 and 184,663

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Solution

The fourth proportional to 605,420.20, 908,097.36 and 184,663 is: 276,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,420.20 : 908,097.36 = 184,663 : x
  2. Step 2: Convert to fraction form
    605,420.20/908,097.36 = 184,663/x
  3. Step 3: Cross multiply
    605,420.20x = 908,097.36 × 184,663
  4. Step 4: Simplify right side
    605,420.20x = 167,691,982,789.68
  5. Step 5: Solve for x
    x = 167,691,982,789.68/605,420.20
  6. Step 6: Final answer
    x = 276,984.45

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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.