Home / 263,530.68-394,800.03-130,254.90

Finding the Fourth Proportional to 263,530.68, 394,800.03 and 130,254.90

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Solution

The fourth proportional to 263,530.68, 394,800.03 and 130,254.90 is: 195,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,530.68 : 394,800.03 = 130,254.90 : x
  2. Step 2: Convert to fraction form
    263,530.68/394,800.03 = 130,254.90/x
  3. Step 3: Cross multiply
    263,530.68x = 394,800.03 × 130,254.90
  4. Step 4: Simplify right side
    263,530.68x = 51,424,638,427.65
  5. Step 5: Solve for x
    x = 51,424,638,427.65/263,530.68
  6. Step 6: Final answer
    x = 195,137.20

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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.