Home / 397,721.36-596,452.43-131,432.24

Finding the Fourth Proportional to 397,721.36, 596,452.43 and 131,432.24

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Solution

The fourth proportional to 397,721.36, 596,452.43 and 131,432.24 is: 197,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,721.36 : 596,452.43 = 131,432.24 : x
  2. Step 2: Convert to fraction form
    397,721.36/596,452.43 = 131,432.24/x
  3. Step 3: Cross multiply
    397,721.36x = 596,452.43 × 131,432.24
  4. Step 4: Simplify right side
    397,721.36x = 78,393,075,288.92
  5. Step 5: Solve for x
    x = 78,393,075,288.92/397,721.36
  6. Step 6: Final answer
    x = 197,105.52

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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.