Home / 380,727.19-571,092.09-96,417.64

Finding the Fourth Proportional to 380,727.19, 571,092.09 and 96,417.64

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Solution

The fourth proportional to 380,727.19, 571,092.09 and 96,417.64 is: 144,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,727.19 : 571,092.09 = 96,417.64 : x
  2. Step 2: Convert to fraction form
    380,727.19/571,092.09 = 96,417.64/x
  3. Step 3: Cross multiply
    380,727.19x = 571,092.09 × 96,417.64
  4. Step 4: Simplify right side
    380,727.19x = 55,063,351,540.47
  5. Step 5: Solve for x
    x = 55,063,351,540.47/380,727.19
  6. Step 6: Final answer
    x = 144,626.79

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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.