Finding the Fourth Proportional to 261,938.74, 393,182.96 and 232,143.60
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Solution
The fourth proportional to 261,938.74, 393,182.96 and 232,143.60 is: 348,458.99
Step by Step Solution
- Step 1: Write the proportion equation
261,938.74 : 393,182.96 = 232,143.60 : x - Step 2: Convert to fraction form
261,938.74/393,182.96 = 232,143.60/x - Step 3: Cross multiply
261,938.74x = 393,182.96 × 232,143.60 - Step 4: Simplify right side
261,938.74x = 91,274,907,793.06 - Step 5: Solve for x
x = 91,274,907,793.06/261,938.74 - Step 6: Final answer
x = 348,458.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.