Home / 380,865.06-571,149.72-203,275.26

Finding the Fourth Proportional to 380,865.06, 571,149.72 and 203,275.26

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Solution

The fourth proportional to 380,865.06, 571,149.72 and 203,275.26 is: 304,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,865.06 : 571,149.72 = 203,275.26 : x
  2. Step 2: Convert to fraction form
    380,865.06/571,149.72 = 203,275.26/x
  3. Step 3: Cross multiply
    380,865.06x = 571,149.72 × 203,275.26
  4. Step 4: Simplify right side
    380,865.06x = 116,100,607,831.93
  5. Step 5: Solve for x
    x = 116,100,607,831.93/380,865.06
  6. Step 6: Final answer
    x = 304,833.97

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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.