Finding the Fourth Proportional to 343,674.20, 474,257.99 and 190,719.07
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Solution
The fourth proportional to 343,674.20, 474,257.99 and 190,719.07 is: 263,185.43
Step by Step Solution
- Step 1: Write the proportion equation
343,674.20 : 474,257.99 = 190,719.07 : x - Step 2: Convert to fraction form
343,674.20/474,257.99 = 190,719.07/x - Step 3: Cross multiply
343,674.20x = 474,257.99 × 190,719.07 - Step 4: Simplify right side
343,674.20x = 90,450,042,084.02 - Step 5: Solve for x
x = 90,450,042,084.02/343,674.20 - Step 6: Final answer
x = 263,185.43
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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.