Finding the Fourth Proportional to 248,679.33, 343,177.61 and 135,502.08
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Solution
The fourth proportional to 248,679.33, 343,177.61 and 135,502.08 is: 186,992.94
Step by Step Solution
- Step 1: Write the proportion equation
248,679.33 : 343,177.61 = 135,502.08 : x - Step 2: Convert to fraction form
248,679.33/343,177.61 = 135,502.08/x - Step 3: Cross multiply
248,679.33x = 343,177.61 × 135,502.08 - Step 4: Simplify right side
248,679.33x = 46,501,279,286.92 - Step 5: Solve for x
x = 46,501,279,286.92/248,679.33 - Step 6: Final answer
x = 186,992.94
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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.