Finding the Fourth Proportional to 284,940.90, 395,016.64 and 269,772.84
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Solution
The fourth proportional to 284,940.90, 395,016.64 and 269,772.84 is: 373,988.99
Step by Step Solution
- Step 1: Write the proportion equation
284,940.90 : 395,016.64 = 269,772.84 : x - Step 2: Convert to fraction form
284,940.90/395,016.64 = 269,772.84/x - Step 3: Cross multiply
284,940.90x = 395,016.64 × 269,772.84 - Step 4: Simplify right side
284,940.90x = 106,564,760,820.06 - Step 5: Solve for x
x = 106,564,760,820.06/284,940.90 - Step 6: Final answer
x = 373,988.99
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.