Finding the Fourth Proportional to 248,844.96, 343,409.76 and 135,669.60
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Solution
The fourth proportional to 248,844.96, 343,409.76 and 135,669.60 is: 187,226.07
Step by Step Solution
- Step 1: Write the proportion equation
248,844.96 : 343,409.76 = 135,669.60 : x - Step 2: Convert to fraction form
248,844.96/343,409.76 = 135,669.60/x - Step 3: Cross multiply
248,844.96x = 343,409.76 × 135,669.60 - Step 4: Simplify right side
248,844.96x = 46,590,264,775.30 - Step 5: Solve for x
x = 46,590,264,775.30/248,844.96 - Step 6: Final answer
x = 187,226.07
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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.