Home / 380,830.56-571,388.00-203,238.87

Finding the Fourth Proportional to 380,830.56, 571,388.00 and 203,238.87

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Solution

The fourth proportional to 380,830.56, 571,388.00 and 203,238.87 is: 304,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,830.56 : 571,388.00 = 203,238.87 : x
  2. Step 2: Convert to fraction form
    380,830.56/571,388.00 = 203,238.87/x
  3. Step 3: Cross multiply
    380,830.56x = 571,388.00 × 203,238.87
  4. Step 4: Simplify right side
    380,830.56x = 116,128,250,435.37
  5. Step 5: Solve for x
    x = 116,128,250,435.37/380,830.56
  6. Step 6: Final answer
    x = 304,934.17

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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.