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Finding the Fourth Proportional to 145,507.37, 218,187.68 and 44,286

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Solution

The fourth proportional to 145,507.37, 218,187.68 and 44,286 is: 66,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,507.37 : 218,187.68 = 44,286 : x
  2. Step 2: Convert to fraction form
    145,507.37/218,187.68 = 44,286/x
  3. Step 3: Cross multiply
    145,507.37x = 218,187.68 × 44,286
  4. Step 4: Simplify right side
    145,507.37x = 9,662,659,596.48
  5. Step 5: Solve for x
    x = 9,662,659,596.48/145,507.37
  6. Step 6: Final answer
    x = 66,406.67

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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.