Home / 379,719.04-523,765.38-243,537.28

Finding the Fourth Proportional to 379,719.04, 523,765.38 and 243,537.28

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Solution

The fourth proportional to 379,719.04, 523,765.38 and 243,537.28 is: 335,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,719.04 : 523,765.38 = 243,537.28 : x
  2. Step 2: Convert to fraction form
    379,719.04/523,765.38 = 243,537.28/x
  3. Step 3: Cross multiply
    379,719.04x = 523,765.38 × 243,537.28
  4. Step 4: Simplify right side
    379,719.04x = 127,556,396,003.37
  5. Step 5: Solve for x
    x = 127,556,396,003.37/379,719.04
  6. Step 6: Final answer
    x = 335,923.10

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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.