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Finding the Fourth Proportional to 254,889.88, 382,310.08 and 77,398.44

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Solution

The fourth proportional to 254,889.88, 382,310.08 and 77,398.44 is: 116,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,889.88 : 382,310.08 = 77,398.44 : x
  2. Step 2: Convert to fraction form
    254,889.88/382,310.08 = 77,398.44/x
  3. Step 3: Cross multiply
    254,889.88x = 382,310.08 × 77,398.44
  4. Step 4: Simplify right side
    254,889.88x = 29,590,203,788.28
  5. Step 5: Solve for x
    x = 29,590,203,788.28/254,889.88
  6. Step 6: Final answer
    x = 116,090.15

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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.