Home / 379,325.54-523,448.25-218,183.30

Finding the Fourth Proportional to 379,325.54, 523,448.25 and 218,183.30

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Solution

The fourth proportional to 379,325.54, 523,448.25 and 218,183.30 is: 301,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,325.54 : 523,448.25 = 218,183.30 : x
  2. Step 2: Convert to fraction form
    379,325.54/523,448.25 = 218,183.30/x
  3. Step 3: Cross multiply
    379,325.54x = 523,448.25 × 218,183.30
  4. Step 4: Simplify right side
    379,325.54x = 114,207,666,564.23
  5. Step 5: Solve for x
    x = 114,207,666,564.23/379,325.54
  6. Step 6: Final answer
    x = 301,080.88

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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.