Finding the Fourth Proportional to 277,290.63, 382,664.79 and 156,431.54
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Solution
The fourth proportional to 277,290.63, 382,664.79 and 156,431.54 is: 215,877.63
Step by Step Solution
- Step 1: Write the proportion equation
277,290.63 : 382,664.79 = 156,431.54 : x - Step 2: Convert to fraction form
277,290.63/382,664.79 = 156,431.54/x - Step 3: Cross multiply
277,290.63x = 382,664.79 × 156,431.54 - Step 4: Simplify right side
277,290.63x = 59,860,843,360.14 - Step 5: Solve for x
x = 59,860,843,360.14/277,290.63 - Step 6: Final answer
x = 215,877.63
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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.