Finding the Fourth Proportional to 248,761.19, 343,287.61 and 141,328.94
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Solution
The fourth proportional to 248,761.19, 343,287.61 and 141,328.94 is: 195,032.32
Step by Step Solution
- Step 1: Write the proportion equation
248,761.19 : 343,287.61 = 141,328.94 : x - Step 2: Convert to fraction form
248,761.19/343,287.61 = 141,328.94/x - Step 3: Cross multiply
248,761.19x = 343,287.61 × 141,328.94 - Step 4: Simplify right side
248,761.19x = 48,516,471,966.67 - Step 5: Solve for x
x = 48,516,471,966.67/248,761.19 - Step 6: Final answer
x = 195,032.32
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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.