Finding the Fourth Proportional to 343,755.50, 474,382.76 and 190,793.75
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Solution
The fourth proportional to 343,755.50, 474,382.76 and 190,793.75 is: 263,295.46
Step by Step Solution
- Step 1: Write the proportion equation
343,755.50 : 474,382.76 = 190,793.75 : x - Step 2: Convert to fraction form
343,755.50/474,382.76 = 190,793.75/x - Step 3: Cross multiply
343,755.50x = 474,382.76 × 190,793.75 - Step 4: Simplify right side
343,755.50x = 90,509,262,389.87 - Step 5: Solve for x
x = 90,509,262,389.87/343,755.50 - Step 6: Final answer
x = 263,295.46
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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.