Finding the Fourth Proportional to 248,365.44, 342,733.68 and 135,187.92
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Solution
The fourth proportional to 248,365.44, 342,733.68 and 135,187.92 is: 186,553.55
Step by Step Solution
- Step 1: Write the proportion equation
248,365.44 : 342,733.68 = 135,187.92 : x - Step 2: Convert to fraction form
248,365.44/342,733.68 = 135,187.92/x - Step 3: Cross multiply
248,365.44x = 342,733.68 × 135,187.92 - Step 4: Simplify right side
248,365.44x = 46,333,453,313.15 - Step 5: Solve for x
x = 46,333,453,313.15/248,365.44 - Step 6: Final answer
x = 186,553.55
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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.