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Finding the Fourth Proportional to 254,638.08, 380,088 and 235,872

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Solution

The fourth proportional to 254,638.08, 380,088 and 235,872 is: 352,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,638.08 : 380,088 = 235,872 : x
  2. Step 2: Convert to fraction form
    254,638.08/380,088 = 235,872/x
  3. Step 3: Cross multiply
    254,638.08x = 380,088 × 235,872
  4. Step 4: Simplify right side
    254,638.08x = 89,652,116,736
  5. Step 5: Solve for x
    x = 89,652,116,736/254,638.08
  6. Step 6: Final answer
    x = 352,076.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.