Finding the Fourth Proportional to 248,597.91, 343,065.17 and 135,420.66
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Solution
The fourth proportional to 248,597.91, 343,065.17 and 135,420.66 is: 186,880.54
Step by Step Solution
- Step 1: Write the proportion equation
248,597.91 : 343,065.17 = 135,420.66 : x - Step 2: Convert to fraction form
248,597.91/343,065.17 = 135,420.66/x - Step 3: Cross multiply
248,597.91x = 343,065.17 × 135,420.66 - Step 4: Simplify right side
248,597.91x = 46,458,112,082.96 - Step 5: Solve for x
x = 46,458,112,082.96/248,597.91 - Step 6: Final answer
x = 186,880.54
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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.