Home / 266,167.21-398,846.85-195,137.15

Finding the Fourth Proportional to 266,167.21, 398,846.85 and 195,137.15

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Solution

The fourth proportional to 266,167.21, 398,846.85 and 195,137.15 is: 292,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,167.21 : 398,846.85 = 195,137.15 : x
  2. Step 2: Convert to fraction form
    266,167.21/398,846.85 = 195,137.15/x
  3. Step 3: Cross multiply
    266,167.21x = 398,846.85 × 195,137.15
  4. Step 4: Simplify right side
    266,167.21x = 77,829,835,601.24
  5. Step 5: Solve for x
    x = 77,829,835,601.24/266,167.21
  6. Step 6: Final answer
    x = 292,409.56

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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.