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Finding the Fourth Proportional to 184,429.20, 276,643.80 and 165,766.80

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Solution

The fourth proportional to 184,429.20, 276,643.80 and 165,766.80 is: 248,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,429.20 : 276,643.80 = 165,766.80 : x
  2. Step 2: Convert to fraction form
    184,429.20/276,643.80 = 165,766.80/x
  3. Step 3: Cross multiply
    184,429.20x = 276,643.80 × 165,766.80
  4. Step 4: Simplify right side
    184,429.20x = 45,858,357,465.84
  5. Step 5: Solve for x
    x = 45,858,357,465.84/184,429.20
  6. Step 6: Final answer
    x = 248,650.20

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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.