Finding the Fourth Proportional to 277,121.21, 382,394.77 and 156,255.30
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Solution
The fourth proportional to 277,121.21, 382,394.77 and 156,255.30 is: 215,613.99
Step by Step Solution
- Step 1: Write the proportion equation
277,121.21 : 382,394.77 = 156,255.30 : x - Step 2: Convert to fraction form
277,121.21/382,394.77 = 156,255.30/x - Step 3: Cross multiply
277,121.21x = 382,394.77 × 156,255.30 - Step 4: Simplify right side
277,121.21x = 59,751,209,504.78 - Step 5: Solve for x
x = 59,751,209,504.78/277,121.21 - Step 6: Final answer
x = 215,613.99
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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.