Home / 247,310.37-341,296.05-139,878.31

Finding the Fourth Proportional to 247,310.37, 341,296.05 and 139,878.31

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Solution

The fourth proportional to 247,310.37, 341,296.05 and 139,878.31 is: 193,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,310.37 : 341,296.05 = 139,878.31 : x
  2. Step 2: Convert to fraction form
    247,310.37/341,296.05 = 139,878.31/x
  3. Step 3: Cross multiply
    247,310.37x = 341,296.05 × 139,878.31
  4. Step 4: Simplify right side
    247,310.37x = 47,739,914,683.68
  5. Step 5: Solve for x
    x = 47,739,914,683.68/247,310.37
  6. Step 6: Final answer
    x = 193,036.45

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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.