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Finding the Fourth Proportional to 324,650.58, 448,062.31 and 186,826.68

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Solution

The fourth proportional to 324,650.58, 448,062.31 and 186,826.68 is: 257,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,650.58 : 448,062.31 = 186,826.68 : x
  2. Step 2: Convert to fraction form
    324,650.58/448,062.31 = 186,826.68/x
  3. Step 3: Cross multiply
    324,650.58x = 448,062.31 × 186,826.68
  4. Step 4: Simplify right side
    324,650.58x = 83,709,993,810.43
  5. Step 5: Solve for x
    x = 83,709,993,810.43/324,650.58
  6. Step 6: Final answer
    x = 257,846.43

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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.