Finding the Fourth Proportional to 208,476.29, 287,697.24 and 112,982.99
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Solution
The fourth proportional to 208,476.29, 287,697.24 and 112,982.99 is: 155,916.50
Step by Step Solution
- Step 1: Write the proportion equation
208,476.29 : 287,697.24 = 112,982.99 : x - Step 2: Convert to fraction form
208,476.29/287,697.24 = 112,982.99/x - Step 3: Cross multiply
208,476.29x = 287,697.24 × 112,982.99 - Step 4: Simplify right side
208,476.29x = 32,504,894,389.95 - Step 5: Solve for x
x = 32,504,894,389.95/208,476.29 - Step 6: Final answer
x = 155,916.50
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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.