Home / 380,719.62-571,080.72-96,410.07

Finding the Fourth Proportional to 380,719.62, 571,080.72 and 96,410.07

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Solution

The fourth proportional to 380,719.62, 571,080.72 and 96,410.07 is: 144,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,719.62 : 571,080.72 = 96,410.07 : x
  2. Step 2: Convert to fraction form
    380,719.62/571,080.72 = 96,410.07/x
  3. Step 3: Cross multiply
    380,719.62x = 571,080.72 × 96,410.07
  4. Step 4: Simplify right side
    380,719.62x = 55,057,932,190.85
  5. Step 5: Solve for x
    x = 55,057,932,190.85/380,719.62
  6. Step 6: Final answer
    x = 144,615.43

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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.