Home / 259,823.34-390,093.57-179,664.66

Finding the Fourth Proportional to 259,823.34, 390,093.57 and 179,664.66

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Solution

The fourth proportional to 259,823.34, 390,093.57 and 179,664.66 is: 269,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,823.34 : 390,093.57 = 179,664.66 : x
  2. Step 2: Convert to fraction form
    259,823.34/390,093.57 = 179,664.66/x
  3. Step 3: Cross multiply
    259,823.34x = 390,093.57 × 179,664.66
  4. Step 4: Simplify right side
    259,823.34x = 70,086,028,622.24
  5. Step 5: Solve for x
    x = 70,086,028,622.24/259,823.34
  6. Step 6: Final answer
    x = 269,744.93

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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.