Finding the Fourth Proportional to 266,456.99, 398,969.25 and 202,974.69
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Solution
The fourth proportional to 266,456.99, 398,969.25 and 202,974.69 is: 303,916.45
Step by Step Solution
- Step 1: Write the proportion equation
266,456.99 : 398,969.25 = 202,974.69 : x - Step 2: Convert to fraction form
266,456.99/398,969.25 = 202,974.69/x - Step 3: Cross multiply
266,456.99x = 398,969.25 × 202,974.69 - Step 4: Simplify right side
266,456.99x = 80,980,659,838.28 - Step 5: Solve for x
x = 80,980,659,838.28/266,456.99 - Step 6: Final answer
x = 303,916.45
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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.