Finding the Fourth Proportional to 211,603.54, 291,649.26 and 201,638.12
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Solution
The fourth proportional to 211,603.54, 291,649.26 and 201,638.12 is: 277,914.11
Step by Step Solution
- Step 1: Write the proportion equation
211,603.54 : 291,649.26 = 201,638.12 : x - Step 2: Convert to fraction form
211,603.54/291,649.26 = 201,638.12/x - Step 3: Cross multiply
211,603.54x = 291,649.26 × 201,638.12 - Step 4: Simplify right side
211,603.54x = 58,807,608,485.79 - Step 5: Solve for x
x = 58,807,608,485.79/211,603.54 - Step 6: Final answer
x = 277,914.11
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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.