Finding the Fourth Proportional to 201,242.13, 277,653.51 and 120,640.24
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Solution
The fourth proportional to 201,242.13, 277,653.51 and 120,640.24 is: 166,447.19
Step by Step Solution
- Step 1: Write the proportion equation
201,242.13 : 277,653.51 = 120,640.24 : x - Step 2: Convert to fraction form
201,242.13/277,653.51 = 120,640.24/x - Step 3: Cross multiply
201,242.13x = 277,653.51 × 120,640.24 - Step 4: Simplify right side
201,242.13x = 33,496,186,083.24 - Step 5: Solve for x
x = 33,496,186,083.24/201,242.13 - Step 6: Final answer
x = 166,447.19
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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.