Finding the Fourth Proportional to 377,782.00, 521,375.94 and 282,122.62
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Solution
The fourth proportional to 377,782.00, 521,375.94 and 282,122.62 is: 389,356.68
Step by Step Solution
- Step 1: Write the proportion equation
377,782.00 : 521,375.94 = 282,122.62 : x - Step 2: Convert to fraction form
377,782.00/521,375.94 = 282,122.62/x - Step 3: Cross multiply
377,782.00x = 521,375.94 × 282,122.62 - Step 4: Simplify right side
377,782.00x = 147,091,946,360.69 - Step 5: Solve for x
x = 147,091,946,360.69/377,782.00 - Step 6: Final answer
x = 389,356.68
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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.