Finding the Fourth Proportional to 248,743.12, 343,273.80 and 135,569.92
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Solution
The fourth proportional to 248,743.12, 343,273.80 and 135,569.92 is: 187,091.01
Step by Step Solution
- Step 1: Write the proportion equation
248,743.12 : 343,273.80 = 135,569.92 : x - Step 2: Convert to fraction form
248,743.12/343,273.80 = 135,569.92/x - Step 3: Cross multiply
248,743.12x = 343,273.80 × 135,569.92 - Step 4: Simplify right side
248,743.12x = 46,537,601,604.10 - Step 5: Solve for x
x = 46,537,601,604.10/248,743.12 - Step 6: Final answer
x = 187,091.01
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1.5x scale
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.