Home / 257,975.46-387,112.64-108,202.41

Finding the Fourth Proportional to 257,975.46, 387,112.64 and 108,202.41

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Solution

The fourth proportional to 257,975.46, 387,112.64 and 108,202.41 is: 162,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,975.46 : 387,112.64 = 108,202.41 : x
  2. Step 2: Convert to fraction form
    257,975.46/387,112.64 = 108,202.41/x
  3. Step 3: Cross multiply
    257,975.46x = 387,112.64 × 108,202.41
  4. Step 4: Simplify right side
    257,975.46x = 41,886,520,048.45
  5. Step 5: Solve for x
    x = 41,886,520,048.45/257,975.46
  6. Step 6: Final answer
    x = 162,366.30

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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.