Finding the Fourth Proportional to 227,306.05, 313,816.74 and 202,085.75
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Solution
The fourth proportional to 227,306.05, 313,816.74 and 202,085.75 is: 278,997.82
Step by Step Solution
- Step 1: Write the proportion equation
227,306.05 : 313,816.74 = 202,085.75 : x - Step 2: Convert to fraction form
227,306.05/313,816.74 = 202,085.75/x - Step 3: Cross multiply
227,306.05x = 313,816.74 × 202,085.75 - Step 4: Simplify right side
227,306.05x = 63,417,891,265.46 - Step 5: Solve for x
x = 63,417,891,265.46/227,306.05 - Step 6: Final answer
x = 278,997.82
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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.