Home / 397,780.47-596,611.44-131,542.38

Finding the Fourth Proportional to 397,780.47, 596,611.44 and 131,542.38

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Solution

The fourth proportional to 397,780.47, 596,611.44 and 131,542.38 is: 197,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,780.47 : 596,611.44 = 131,542.38 : x
  2. Step 2: Convert to fraction form
    397,780.47/596,611.44 = 131,542.38/x
  3. Step 3: Cross multiply
    397,780.47x = 596,611.44 × 131,542.38
  4. Step 4: Simplify right side
    397,780.47x = 78,479,688,752.83
  5. Step 5: Solve for x
    x = 78,479,688,752.83/397,780.47
  6. Step 6: Final answer
    x = 197,293.97

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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.