Finding the Fourth Proportional to 201,215.97, 277,655.67 and 160,915.05
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Solution
The fourth proportional to 201,215.97, 277,655.67 and 160,915.05 is: 222,044.88
Step by Step Solution
- Step 1: Write the proportion equation
201,215.97 : 277,655.67 = 160,915.05 : x - Step 2: Convert to fraction form
201,215.97/277,655.67 = 160,915.05/x - Step 3: Cross multiply
201,215.97x = 277,655.67 × 160,915.05 - Step 4: Simplify right side
201,215.97x = 44,678,976,020.83 - Step 5: Solve for x
x = 44,678,976,020.83/201,215.97 - Step 6: Final answer
x = 222,044.88
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1.5x scale
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.