Finding the Fourth Proportional to 343,759.05, 474,474.69 and 234,907.46
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Solution
The fourth proportional to 343,759.05, 474,474.69 and 234,907.46 is: 324,231.88
Step by Step Solution
- Step 1: Write the proportion equation
343,759.05 : 474,474.69 = 234,907.46 : x - Step 2: Convert to fraction form
343,759.05/474,474.69 = 234,907.46/x - Step 3: Cross multiply
343,759.05x = 474,474.69 × 234,907.46 - Step 4: Simplify right side
343,759.05x = 111,457,641,889.81 - Step 5: Solve for x
x = 111,457,641,889.81/343,759.05 - Step 6: Final answer
x = 324,231.88
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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.