Finding the Fourth Proportional to 248,906.40, 343,470.42 and 141,451.80
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Solution
The fourth proportional to 248,906.40, 343,470.42 and 141,451.80 is: 195,191.88
Step by Step Solution
- Step 1: Write the proportion equation
248,906.40 : 343,470.42 = 141,451.80 : x - Step 2: Convert to fraction form
248,906.40/343,470.42 = 141,451.80/x - Step 3: Cross multiply
248,906.40x = 343,470.42 × 141,451.80 - Step 4: Simplify right side
248,906.40x = 48,584,509,155.76 - Step 5: Solve for x
x = 48,584,509,155.76/248,906.40 - Step 6: Final answer
x = 195,191.88
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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.