Home / 384,087.30-529,961.33-220,712.25

Finding the Fourth Proportional to 384,087.30, 529,961.33 and 220,712.25

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Solution

The fourth proportional to 384,087.30, 529,961.33 and 220,712.25 is: 304,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,087.30 : 529,961.33 = 220,712.25 : x
  2. Step 2: Convert to fraction form
    384,087.30/529,961.33 = 220,712.25/x
  3. Step 3: Cross multiply
    384,087.30x = 529,961.33 × 220,712.25
  4. Step 4: Simplify right side
    384,087.30x = 116,968,956,453.73
  5. Step 5: Solve for x
    x = 116,968,956,453.73/384,087.30
  6. Step 6: Final answer
    x = 304,537.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.