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Finding the Fourth Proportional to 184,349.16, 276,631.08 and 77,726.43

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Solution

The fourth proportional to 184,349.16, 276,631.08 and 77,726.43 is: 116,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,349.16 : 276,631.08 = 77,726.43 : x
  2. Step 2: Convert to fraction form
    184,349.16/276,631.08 = 77,726.43/x
  3. Step 3: Cross multiply
    184,349.16x = 276,631.08 × 77,726.43
  4. Step 4: Simplify right side
    184,349.16x = 21,501,546,275.44
  5. Step 5: Solve for x
    x = 21,501,546,275.44/184,349.16
  6. Step 6: Final answer
    x = 116,634.90

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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.