Finding the Fourth Proportional to 277,211.62, 382,552.19 and 149,887.09
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Solution
The fourth proportional to 277,211.62, 382,552.19 and 149,887.09 is: 206,844.27
Step by Step Solution
- Step 1: Write the proportion equation
277,211.62 : 382,552.19 = 149,887.09 : x - Step 2: Convert to fraction form
277,211.62/382,552.19 = 149,887.09/x - Step 3: Cross multiply
277,211.62x = 382,552.19 × 149,887.09 - Step 4: Simplify right side
277,211.62x = 57,339,634,532.23 - Step 5: Solve for x
x = 57,339,634,532.23/277,211.62 - Step 6: Final answer
x = 206,844.27
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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.