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Finding the Fourth Proportional to 492,832.70, 680,108.55 and 266,477.66

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Solution

The fourth proportional to 492,832.70, 680,108.55 and 266,477.66 is: 367,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,832.70 : 680,108.55 = 266,477.66 : x
  2. Step 2: Convert to fraction form
    492,832.70/680,108.55 = 266,477.66/x
  3. Step 3: Cross multiply
    492,832.70x = 680,108.55 × 266,477.66
  4. Step 4: Simplify right side
    492,832.70x = 181,233,734,949.99
  5. Step 5: Solve for x
    x = 181,233,734,949.99/492,832.70
  6. Step 6: Final answer
    x = 367,738.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.