Finding the Fourth Proportional to 343,592.70, 474,141.91 and 190,629.26
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Solution
The fourth proportional to 343,592.70, 474,141.91 and 190,629.26 is: 263,059.49
Step by Step Solution
- Step 1: Write the proportion equation
343,592.70 : 474,141.91 = 190,629.26 : x - Step 2: Convert to fraction form
343,592.70/474,141.91 = 190,629.26/x - Step 3: Cross multiply
343,592.70x = 474,141.91 × 190,629.26 - Step 4: Simplify right side
343,592.70x = 90,385,321,438.29 - Step 5: Solve for x
x = 90,385,321,438.29/343,592.70 - Step 6: Final answer
x = 263,059.49
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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.