Finding the Fourth Proportional to 248,433.12, 342,843.87 and 135,262.08
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Solution
The fourth proportional to 248,433.12, 342,843.87 and 135,262.08 is: 186,665.03
Step by Step Solution
- Step 1: Write the proportion equation
248,433.12 : 342,843.87 = 135,262.08 : x - Step 2: Convert to fraction form
248,433.12/342,843.87 = 135,262.08/x - Step 3: Cross multiply
248,433.12x = 342,843.87 × 135,262.08 - Step 4: Simplify right side
248,433.12x = 46,373,774,971.45 - Step 5: Solve for x
x = 46,373,774,971.45/248,433.12 - Step 6: Final answer
x = 186,665.03
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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.