Finding the Fourth Proportional to 248,282.10, 342,627.12 and 135,104.94
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Solution
The fourth proportional to 248,282.10, 342,627.12 and 135,104.94 is: 186,443.63
Step by Step Solution
- Step 1: Write the proportion equation
248,282.10 : 342,627.12 = 135,104.94 : x - Step 2: Convert to fraction form
248,282.10/342,627.12 = 135,104.94/x - Step 3: Cross multiply
248,282.10x = 342,627.12 × 135,104.94 - Step 4: Simplify right side
248,282.10x = 46,290,616,489.97 - Step 5: Solve for x
x = 46,290,616,489.97/248,282.10 - Step 6: Final answer
x = 186,443.63
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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.