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Finding the Fourth Proportional to 184,607.51, 276,960.49 and 66,279.87

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Solution

The fourth proportional to 184,607.51, 276,960.49 and 66,279.87 is: 99,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,607.51 : 276,960.49 = 66,279.87 : x
  2. Step 2: Convert to fraction form
    184,607.51/276,960.49 = 66,279.87/x
  3. Step 3: Cross multiply
    184,607.51x = 276,960.49 × 66,279.87
  4. Step 4: Simplify right side
    184,607.51x = 18,356,904,940.94
  5. Step 5: Solve for x
    x = 18,356,904,940.94/184,607.51
  6. Step 6: Final answer
    x = 99,437.48

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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.