Finding the Fourth Proportional to 248,742.16, 343,265.32 and 141,318.09
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Solution
The fourth proportional to 248,742.16, 343,265.32 and 141,318.09 is: 195,019.61
Step by Step Solution
- Step 1: Write the proportion equation
248,742.16 : 343,265.32 = 141,318.09 : x - Step 2: Convert to fraction form
248,742.16/343,265.32 = 141,318.09/x - Step 3: Cross multiply
248,742.16x = 343,265.32 × 141,318.09 - Step 4: Simplify right side
248,742.16x = 48,509,599,385.64 - Step 5: Solve for x
x = 48,509,599,385.64/248,742.16 - Step 6: Final answer
x = 195,019.61
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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.