Finding the Fourth Proportional to 248,318.44, 342,668.82 and 135,140.92
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Solution
The fourth proportional to 248,318.44, 342,668.82 and 135,140.92 is: 186,488.69
Step by Step Solution
- Step 1: Write the proportion equation
248,318.44 : 342,668.82 = 135,140.92 : x - Step 2: Convert to fraction form
248,318.44/342,668.82 = 135,140.92/x - Step 3: Cross multiply
248,318.44x = 342,668.82 × 135,140.92 - Step 4: Simplify right side
248,318.44x = 46,308,579,590.11 - Step 5: Solve for x
x = 46,308,579,590.11/248,318.44 - Step 6: Final answer
x = 186,488.69
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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.