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Finding the Fourth Proportional to 508,625.33, 701,898.41 and 279,175.82

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Solution

The fourth proportional to 508,625.33, 701,898.41 and 279,175.82 is: 385,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,625.33 : 701,898.41 = 279,175.82 : x
  2. Step 2: Convert to fraction form
    508,625.33/701,898.41 = 279,175.82/x
  3. Step 3: Cross multiply
    508,625.33x = 701,898.41 × 279,175.82
  4. Step 4: Simplify right side
    508,625.33x = 195,953,061,356.89
  5. Step 5: Solve for x
    x = 195,953,061,356.89/508,625.33
  6. Step 6: Final answer
    x = 385,260.13

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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.