Finding the Fourth Proportional to 272,679.08, 376,481.88 and 170,745.44
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Solution
The fourth proportional to 272,679.08, 376,481.88 and 170,745.44 is: 235,744.39
Step by Step Solution
- Step 1: Write the proportion equation
272,679.08 : 376,481.88 = 170,745.44 : x - Step 2: Convert to fraction form
272,679.08/376,481.88 = 170,745.44/x - Step 3: Cross multiply
272,679.08x = 376,481.88 × 170,745.44 - Step 4: Simplify right side
272,679.08x = 64,282,562,370.22 - Step 5: Solve for x
x = 64,282,562,370.22/272,679.08 - Step 6: Final answer
x = 235,744.39
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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.