Finding the Fourth Proportional to 201,142.70, 277,578.72 and 110,500.70
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Solution
The fourth proportional to 201,142.70, 277,578.72 and 110,500.70 is: 152,491.95
Step by Step Solution
- Step 1: Write the proportion equation
201,142.70 : 277,578.72 = 110,500.70 : x - Step 2: Convert to fraction form
201,142.70/277,578.72 = 110,500.70/x - Step 3: Cross multiply
201,142.70x = 277,578.72 × 110,500.70 - Step 4: Simplify right side
201,142.70x = 30,672,642,865.10 - Step 5: Solve for x
x = 30,672,642,865.10/201,142.70 - Step 6: Final answer
x = 152,491.95
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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.