Finding the Fourth Proportional to 419,550.84, 628,974.72 and 166,672.08
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Solution
The fourth proportional to 419,550.84, 628,974.72 and 166,672.08 is: 249,868.47
Step by Step Solution
- Step 1: Write the proportion equation
419,550.84 : 628,974.72 = 166,672.08 : x - Step 2: Convert to fraction form
419,550.84/628,974.72 = 166,672.08/x - Step 3: Cross multiply
419,550.84x = 628,974.72 × 166,672.08 - Step 4: Simplify right side
419,550.84x = 104,832,524,849.82 - Step 5: Solve for x
x = 104,832,524,849.82/419,550.84 - Step 6: Final answer
x = 249,868.47
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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.