Home / 397,349.31-595,703.03-130,943.55

Finding the Fourth Proportional to 397,349.31, 595,703.03 and 130,943.55

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Solution

The fourth proportional to 397,349.31, 595,703.03 and 130,943.55 is: 196,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,349.31 : 595,703.03 = 130,943.55 : x
  2. Step 2: Convert to fraction form
    397,349.31/595,703.03 = 130,943.55/x
  3. Step 3: Cross multiply
    397,349.31x = 595,703.03 × 130,943.55
  4. Step 4: Simplify right side
    397,349.31x = 78,003,468,839.24
  5. Step 5: Solve for x
    x = 78,003,468,839.24/397,349.31
  6. Step 6: Final answer
    x = 196,309.56

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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.