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Finding the Fourth Proportional to 254,635, 351,396.54 and 141,468.28

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Solution

The fourth proportional to 254,635, 351,396.54 and 141,468.28 is: 195,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,635 : 351,396.54 = 141,468.28 : x
  2. Step 2: Convert to fraction form
    254,635/351,396.54 = 141,468.28/x
  3. Step 3: Cross multiply
    254,635x = 351,396.54 × 141,468.28
  4. Step 4: Simplify right side
    254,635x = 49,711,464,111.75
  5. Step 5: Solve for x
    x = 49,711,464,111.75/254,635
  6. Step 6: Final answer
    x = 195,226.36

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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.