Finding the Fourth Proportional to 248,654.36, 343,133.88 and 135,474.68
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Solution
The fourth proportional to 248,654.36, 343,133.88 and 135,474.68 is: 186,950.08
Step by Step Solution
- Step 1: Write the proportion equation
248,654.36 : 343,133.88 = 135,474.68 : x - Step 2: Convert to fraction form
248,654.36/343,133.88 = 135,474.68/x - Step 3: Cross multiply
248,654.36x = 343,133.88 × 135,474.68 - Step 4: Simplify right side
248,654.36x = 46,485,952,590.16 - Step 5: Solve for x
x = 46,485,952,590.16/248,654.36 - Step 6: Final answer
x = 186,950.08
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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.