Finding the Fourth Proportional to 248,449.24, 342,860.34 and 135,272.44
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Solution
The fourth proportional to 248,449.24, 342,860.34 and 135,272.44 is: 186,676.18
Step by Step Solution
- Step 1: Write the proportion equation
248,449.24 : 342,860.34 = 135,272.44 : x - Step 2: Convert to fraction form
248,449.24/342,860.34 = 135,272.44/x - Step 3: Cross multiply
248,449.24x = 342,860.34 × 135,272.44 - Step 4: Simplify right side
248,449.24x = 46,379,554,771.03 - Step 5: Solve for x
x = 46,379,554,771.03/248,449.24 - Step 6: Final answer
x = 186,676.18
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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.