Finding the Fourth Proportional to 261,943.14, 393,189.54 and 232,147.99
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Solution
The fourth proportional to 261,943.14, 393,189.54 and 232,147.99 is: 348,465.55
Step by Step Solution
- Step 1: Write the proportion equation
261,943.14 : 393,189.54 = 232,147.99 : x - Step 2: Convert to fraction form
261,943.14/393,189.54 = 232,147.99/x - Step 3: Cross multiply
261,943.14x = 393,189.54 × 232,147.99 - Step 4: Simplify right side
261,943.14x = 91,278,161,400.02 - Step 5: Solve for x
x = 91,278,161,400.02/261,943.14 - Step 6: Final answer
x = 348,465.55
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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.