Finding the Fourth Proportional to 248,597.92, 343,063.35 and 135,420.70
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Solution
The fourth proportional to 248,597.92, 343,063.35 and 135,420.70 is: 186,879.60
Step by Step Solution
- Step 1: Write the proportion equation
248,597.92 : 343,063.35 = 135,420.70 : x - Step 2: Convert to fraction form
248,597.92/343,063.35 = 135,420.70/x - Step 3: Cross multiply
248,597.92x = 343,063.35 × 135,420.70 - Step 4: Simplify right side
248,597.92x = 46,457,879,001.35 - Step 5: Solve for x
x = 46,457,879,001.35/248,597.92 - Step 6: Final answer
x = 186,879.60
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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.