Finding the Fourth Proportional to 266,456.49, 398,968.50 and 202,974.19
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Solution
The fourth proportional to 266,456.49, 398,968.50 and 202,974.19 is: 303,915.69
Step by Step Solution
- Step 1: Write the proportion equation
266,456.49 : 398,968.50 = 202,974.19 : x - Step 2: Convert to fraction form
266,456.49/398,968.50 = 202,974.19/x - Step 3: Cross multiply
266,456.49x = 398,968.50 × 202,974.19 - Step 4: Simplify right side
266,456.49x = 80,980,307,886.75 - Step 5: Solve for x
x = 80,980,307,886.75/266,456.49 - Step 6: Final answer
x = 303,915.69
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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.