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Finding the Fourth Proportional to 248,124.58, 342,410.97 and 134,949.22

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Solution

The fourth proportional to 248,124.58, 342,410.97 and 134,949.22 is: 186,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,124.58 : 342,410.97 = 134,949.22 : x
  2. Step 2: Convert to fraction form
    248,124.58/342,410.97 = 134,949.22/x
  3. Step 3: Cross multiply
    248,124.58x = 342,410.97 × 134,949.22
  4. Step 4: Simplify right side
    248,124.58x = 46,208,093,320.94
  5. Step 5: Solve for x
    x = 46,208,093,320.94/248,124.58
  6. Step 6: Final answer
    x = 186,229.41

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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.