Home / 380,769.28-571,182.24-114,508.48

Finding the Fourth Proportional to 380,769.28, 571,182.24 and 114,508.48

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Solution

The fourth proportional to 380,769.28, 571,182.24 and 114,508.48 is: 171,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,769.28 : 571,182.24 = 114,508.48 : x
  2. Step 2: Convert to fraction form
    380,769.28/571,182.24 = 114,508.48/x
  3. Step 3: Cross multiply
    380,769.28x = 571,182.24 × 114,508.48
  4. Step 4: Simplify right side
    380,769.28x = 65,405,210,105.40
  5. Step 5: Solve for x
    x = 65,405,210,105.40/380,769.28
  6. Step 6: Final answer
    x = 171,771.24

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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.