Home / 767,156.40-1,150,732.98-206,190.90

Finding the Fourth Proportional to 767,156.40, 1,150,732.98 and 206,190.90

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Solution

The fourth proportional to 767,156.40, 1,150,732.98 and 206,190.90 is: 309,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,156.40 : 1,150,732.98 = 206,190.90 : x
  2. Step 2: Convert to fraction form
    767,156.40/1,150,732.98 = 206,190.90/x
  3. Step 3: Cross multiply
    767,156.40x = 1,150,732.98 × 206,190.90
  4. Step 4: Simplify right side
    767,156.40x = 237,270,668,805.88
  5. Step 5: Solve for x
    x = 237,270,668,805.88/767,156.40
  6. Step 6: Final answer
    x = 309,285.91

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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.