Finding the Fourth Proportional to 248,408.40, 372,859.80 and 115,318.80
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Solution
The fourth proportional to 248,408.40, 372,859.80 and 115,318.80 is: 173,092.96
Step by Step Solution
- Step 1: Write the proportion equation
248,408.40 : 372,859.80 = 115,318.80 : x - Step 2: Convert to fraction form
248,408.40/372,859.80 = 115,318.80/x - Step 3: Cross multiply
248,408.40x = 372,859.80 × 115,318.80 - Step 4: Simplify right side
248,408.40x = 42,997,744,704.24 - Step 5: Solve for x
x = 42,997,744,704.24/248,408.40 - Step 6: Final answer
x = 173,092.96
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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.