Finding the Fourth Proportional to 201,902.70, 302,854.05 and 192,717.30
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Solution
The fourth proportional to 201,902.70, 302,854.05 and 192,717.30 is: 289,075.95
Step by Step Solution
- Step 1: Write the proportion equation
201,902.70 : 302,854.05 = 192,717.30 : x - Step 2: Convert to fraction form
201,902.70/302,854.05 = 192,717.30/x - Step 3: Cross multiply
201,902.70x = 302,854.05 × 192,717.30 - Step 4: Simplify right side
201,902.70x = 58,365,214,810.07 - Step 5: Solve for x
x = 58,365,214,810.07/201,902.70 - Step 6: Final answer
x = 289,075.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.