Finding the Fourth Proportional to 248,497.30, 342,930.18 and 135,319.96
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Solution
The fourth proportional to 248,497.30, 342,930.18 and 135,319.96 is: 186,743.67
Step by Step Solution
- Step 1: Write the proportion equation
248,497.30 : 342,930.18 = 135,319.96 : x - Step 2: Convert to fraction form
248,497.30/342,930.18 = 135,319.96/x - Step 3: Cross multiply
248,497.30x = 342,930.18 × 135,319.96 - Step 4: Simplify right side
248,497.30x = 46,405,298,240.39 - Step 5: Solve for x
x = 46,405,298,240.39/248,497.30 - Step 6: Final answer
x = 186,743.67
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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.