Finding the Fourth Proportional to 248,570.16, 343,027.80 and 135,391.92
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Solution
The fourth proportional to 248,570.16, 343,027.80 and 135,391.92 is: 186,841.38
Step by Step Solution
- Step 1: Write the proportion equation
248,570.16 : 343,027.80 = 135,391.92 : x - Step 2: Convert to fraction form
248,570.16/343,027.80 = 135,391.92/x - Step 3: Cross multiply
248,570.16x = 343,027.80 × 135,391.92 - Step 4: Simplify right side
248,570.16x = 46,443,192,455.38 - Step 5: Solve for x
x = 46,443,192,455.38/248,570.16 - Step 6: Final answer
x = 186,841.38
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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.