Home / 397,638.52-596,568.95-131,586.32

Finding the Fourth Proportional to 397,638.52, 596,568.95 and 131,586.32

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Solution

The fourth proportional to 397,638.52, 596,568.95 and 131,586.32 is: 197,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,638.52 : 596,568.95 = 131,586.32 : x
  2. Step 2: Convert to fraction form
    397,638.52/596,568.95 = 131,586.32/x
  3. Step 3: Cross multiply
    397,638.52x = 596,568.95 × 131,586.32
  4. Step 4: Simplify right side
    397,638.52x = 78,500,314,083.70
  5. Step 5: Solve for x
    x = 78,500,314,083.70/397,638.52
  6. Step 6: Final answer
    x = 197,416.27

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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.