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Finding the Fourth Proportional to 184,431.20, 276,646.80 and 165,768.80

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Solution

The fourth proportional to 184,431.20, 276,646.80 and 165,768.80 is: 248,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,431.20 : 276,646.80 = 165,768.80 : x
  2. Step 2: Convert to fraction form
    184,431.20/276,646.80 = 165,768.80/x
  3. Step 3: Cross multiply
    184,431.20x = 276,646.80 × 165,768.80
  4. Step 4: Simplify right side
    184,431.20x = 45,859,408,059.84
  5. Step 5: Solve for x
    x = 45,859,408,059.84/184,431.20
  6. Step 6: Final answer
    x = 248,653.20

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1.5x scale

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.