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Finding the Fourth Proportional to 245,997.69, 369,006.26 and 68,520.21

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Solution

The fourth proportional to 245,997.69, 369,006.26 and 68,520.21 is: 102,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,997.69 : 369,006.26 = 68,520.21 : x
  2. Step 2: Convert to fraction form
    245,997.69/369,006.26 = 68,520.21/x
  3. Step 3: Cross multiply
    245,997.69x = 369,006.26 × 68,520.21
  4. Step 4: Simplify right side
    245,997.69x = 25,284,386,083.91
  5. Step 5: Solve for x
    x = 25,284,386,083.91/245,997.69
  6. Step 6: Final answer
    x = 102,783.02

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1.5x scale

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.