Home / 439,477.45-658,998.01-139,919.06

Finding the Fourth Proportional to 439,477.45, 658,998.01 and 139,919.06

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Solution

The fourth proportional to 439,477.45, 658,998.01 and 139,919.06 is: 209,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,477.45 : 658,998.01 = 139,919.06 : x
  2. Step 2: Convert to fraction form
    439,477.45/658,998.01 = 139,919.06/x
  3. Step 3: Cross multiply
    439,477.45x = 658,998.01 × 139,919.06
  4. Step 4: Simplify right side
    439,477.45x = 92,206,383,923.46
  5. Step 5: Solve for x
    x = 92,206,383,923.46/439,477.45
  6. Step 6: Final answer
    x = 209,809.14

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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.