Finding the Fourth Proportional to 227,526.10, 341,569.95 and 143,286.10
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Solution
The fourth proportional to 227,526.10, 341,569.95 and 143,286.10 is: 215,105.99
Step by Step Solution
- Step 1: Write the proportion equation
227,526.10 : 341,569.95 = 143,286.10 : x - Step 2: Convert to fraction form
227,526.10/341,569.95 = 143,286.10/x - Step 3: Cross multiply
227,526.10x = 341,569.95 × 143,286.10 - Step 4: Simplify right side
227,526.10x = 48,942,226,012.70 - Step 5: Solve for x
x = 48,942,226,012.70/227,526.10 - Step 6: Final answer
x = 215,105.99
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1.5x scale
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.