Finding the Fourth Proportional to 188,813.40, 283,220.10 and 114,163.80
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Solution
The fourth proportional to 188,813.40, 283,220.10 and 114,163.80 is: 171,245.70
Step by Step Solution
- Step 1: Write the proportion equation
188,813.40 : 283,220.10 = 114,163.80 : x - Step 2: Convert to fraction form
188,813.40/283,220.10 = 114,163.80/x - Step 3: Cross multiply
188,813.40x = 283,220.10 × 114,163.80 - Step 4: Simplify right side
188,813.40x = 32,333,482,852.38 - Step 5: Solve for x
x = 32,333,482,852.38/188,813.40 - Step 6: Final answer
x = 171,245.70
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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.