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Finding the Fourth Proportional to 253,504.08, 380,233.44 and 76,050.72

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Solution

The fourth proportional to 253,504.08, 380,233.44 and 76,050.72 is: 114,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,504.08 : 380,233.44 = 76,050.72 : x
  2. Step 2: Convert to fraction form
    253,504.08/380,233.44 = 76,050.72/x
  3. Step 3: Cross multiply
    253,504.08x = 380,233.44 × 76,050.72
  4. Step 4: Simplify right side
    253,504.08x = 28,917,026,880.08
  5. Step 5: Solve for x
    x = 28,917,026,880.08/253,504.08
  6. Step 6: Final answer
    x = 114,069.28

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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.