Home / 247,198.34-341,131.64-139,789.46

Finding the Fourth Proportional to 247,198.34, 341,131.64 and 139,789.46

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Solution

The fourth proportional to 247,198.34, 341,131.64 and 139,789.46 is: 192,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,198.34 : 341,131.64 = 139,789.46 : x
  2. Step 2: Convert to fraction form
    247,198.34/341,131.64 = 139,789.46/x
  3. Step 3: Cross multiply
    247,198.34x = 341,131.64 × 139,789.46
  4. Step 4: Simplify right side
    247,198.34x = 47,686,607,744.51
  5. Step 5: Solve for x
    x = 47,686,607,744.51/247,198.34
  6. Step 6: Final answer
    x = 192,908.28

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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.