Home / 257,949.27-386,573.96-145,573.92

Finding the Fourth Proportional to 257,949.27, 386,573.96 and 145,573.92

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Solution

The fourth proportional to 257,949.27, 386,573.96 and 145,573.92 is: 218,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,949.27 : 386,573.96 = 145,573.92 : x
  2. Step 2: Convert to fraction form
    257,949.27/386,573.96 = 145,573.92/x
  3. Step 3: Cross multiply
    257,949.27x = 386,573.96 × 145,573.92
  4. Step 4: Simplify right side
    257,949.27x = 56,275,085,999.25
  5. Step 5: Solve for x
    x = 56,275,085,999.25/257,949.27
  6. Step 6: Final answer
    x = 218,163.39

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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.