Home / 269,788.37-405,141.84-258,503.45

Finding the Fourth Proportional to 269,788.37, 405,141.84 and 258,503.45

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Solution

The fourth proportional to 269,788.37, 405,141.84 and 258,503.45 is: 388,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,788.37 : 405,141.84 = 258,503.45 : x
  2. Step 2: Convert to fraction form
    269,788.37/405,141.84 = 258,503.45/x
  3. Step 3: Cross multiply
    269,788.37x = 405,141.84 × 258,503.45
  4. Step 4: Simplify right side
    269,788.37x = 104,730,561,353.64
  5. Step 5: Solve for x
    x = 104,730,561,353.64/269,788.37
  6. Step 6: Final answer
    x = 388,195.25

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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.