Finding the Fourth Proportional to 282,033.20, 389,211.11 and 173,082.99
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Solution
The fourth proportional to 282,033.20, 389,211.11 and 173,082.99 is: 238,857.77
Step by Step Solution
- Step 1: Write the proportion equation
282,033.20 : 389,211.11 = 173,082.99 : x - Step 2: Convert to fraction form
282,033.20/389,211.11 = 173,082.99/x - Step 3: Cross multiply
282,033.20x = 389,211.11 × 173,082.99 - Step 4: Simplify right side
282,033.20x = 67,365,822,991.42 - Step 5: Solve for x
x = 67,365,822,991.42/282,033.20 - Step 6: Final answer
x = 238,857.77
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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.