Finding the Fourth Proportional to 816,915.62, 1,225,549.71 and 248,342.49
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Solution
The fourth proportional to 816,915.62, 1,225,549.71 and 248,342.49 is: 372,567.32
Step by Step Solution
- Step 1: Write the proportion equation
816,915.62 : 1,225,549.71 = 248,342.49 : x - Step 2: Convert to fraction form
816,915.62/1,225,549.71 = 248,342.49/x - Step 3: Cross multiply
816,915.62x = 1,225,549.71 × 248,342.49 - Step 4: Simplify right side
816,915.62x = 304,356,066,600.18 - Step 5: Solve for x
x = 304,356,066,600.18/816,915.62 - Step 6: Final answer
x = 372,567.32
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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.