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Finding the Fourth Proportional to 247,065.24, 340,950 and 133,888.02

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Solution

The fourth proportional to 247,065.24, 340,950 and 133,888.02 is: 184,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,065.24 : 340,950 = 133,888.02 : x
  2. Step 2: Convert to fraction form
    247,065.24/340,950 = 133,888.02/x
  3. Step 3: Cross multiply
    247,065.24x = 340,950 × 133,888.02
  4. Step 4: Simplify right side
    247,065.24x = 45,649,120,419
  5. Step 5: Solve for x
    x = 45,649,120,419/247,065.24
  6. Step 6: Final answer
    x = 184,765.45

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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.