Finding the Fourth Proportional to 474,163.35, 654,146.96 and 310,859.07
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Solution
The fourth proportional to 474,163.35, 654,146.96 and 310,859.07 is: 428,855.40
Step by Step Solution
- Step 1: Write the proportion equation
474,163.35 : 654,146.96 = 310,859.07 : x - Step 2: Convert to fraction form
474,163.35/654,146.96 = 310,859.07/x - Step 3: Cross multiply
474,163.35x = 654,146.96 × 310,859.07 - Step 4: Simplify right side
474,163.35x = 203,347,514,074.63 - Step 5: Solve for x
x = 203,347,514,074.63/474,163.35 - Step 6: Final answer
x = 428,855.40
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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.