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Finding the Fourth Proportional to 265,019.72, 365,663.94 and 179,138.84

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Solution

The fourth proportional to 265,019.72, 365,663.94 and 179,138.84 is: 247,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,019.72 : 365,663.94 = 179,138.84 : x
  2. Step 2: Convert to fraction form
    265,019.72/365,663.94 = 179,138.84/x
  3. Step 3: Cross multiply
    265,019.72x = 365,663.94 × 179,138.84
  4. Step 4: Simplify right side
    265,019.72x = 65,504,614,041.43
  5. Step 5: Solve for x
    x = 65,504,614,041.43/265,019.72
  6. Step 6: Final answer
    x = 247,168.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.