Finding the Fourth Proportional to 248,520.42, 372,219.84 and 115,120.44
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Solution
The fourth proportional to 248,520.42, 372,219.84 and 115,120.44 is: 172,420.89
Step by Step Solution
- Step 1: Write the proportion equation
248,520.42 : 372,219.84 = 115,120.44 : x - Step 2: Convert to fraction form
248,520.42/372,219.84 = 115,120.44/x - Step 3: Cross multiply
248,520.42x = 372,219.84 × 115,120.44 - Step 4: Simplify right side
248,520.42x = 42,850,111,757.53 - Step 5: Solve for x
x = 42,850,111,757.53/248,520.42 - Step 6: Final answer
x = 172,420.89
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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.