Home / 445,003.68-667,546.53-145,485.84

Finding the Fourth Proportional to 445,003.68, 667,546.53 and 145,485.84

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Solution

The fourth proportional to 445,003.68, 667,546.53 and 145,485.84 is: 218,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,003.68 : 667,546.53 = 145,485.84 : x
  2. Step 2: Convert to fraction form
    445,003.68/667,546.53 = 145,485.84/x
  3. Step 3: Cross multiply
    445,003.68x = 667,546.53 × 145,485.84
  4. Step 4: Simplify right side
    445,003.68x = 97,118,567,656.14
  5. Step 5: Solve for x
    x = 97,118,567,656.14/445,003.68
  6. Step 6: Final answer
    x = 218,242.17

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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.