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Finding the Fourth Proportional to 184,442.70, 276,664.05 and 165,780.30

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Solution

The fourth proportional to 184,442.70, 276,664.05 and 165,780.30 is: 248,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,442.70 : 276,664.05 = 165,780.30 : x
  2. Step 2: Convert to fraction form
    184,442.70/276,664.05 = 165,780.30/x
  3. Step 3: Cross multiply
    184,442.70x = 276,664.05 × 165,780.30
  4. Step 4: Simplify right side
    184,442.70x = 45,865,449,208.22
  5. Step 5: Solve for x
    x = 45,865,449,208.22/184,442.70
  6. Step 6: Final answer
    x = 248,670.45

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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.