Finding the Fourth Proportional to 201,245.51, 277,745.15 and 129,833.28
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Solution
The fourth proportional to 201,245.51, 277,745.15 and 129,833.28 is: 179,186.92
Step by Step Solution
- Step 1: Write the proportion equation
201,245.51 : 277,745.15 = 129,833.28 : x - Step 2: Convert to fraction form
201,245.51/277,745.15 = 129,833.28/x - Step 3: Cross multiply
201,245.51x = 277,745.15 × 129,833.28 - Step 4: Simplify right side
201,245.51x = 36,060,564,153.18 - Step 5: Solve for x
x = 36,060,564,153.18/201,245.51 - Step 6: Final answer
x = 179,186.92
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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.