Finding the Fourth Proportional to 192,858.09, 266,138.28 and 106,813.67
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Solution
The fourth proportional to 192,858.09, 266,138.28 and 106,813.67 is: 147,399.60
Step by Step Solution
- Step 1: Write the proportion equation
192,858.09 : 266,138.28 = 106,813.67 : x - Step 2: Convert to fraction form
192,858.09/266,138.28 = 106,813.67/x - Step 3: Cross multiply
192,858.09x = 266,138.28 × 106,813.67 - Step 4: Simplify right side
192,858.09x = 28,427,205,083.60 - Step 5: Solve for x
x = 28,427,205,083.60/192,858.09 - Step 6: Final answer
x = 147,399.60
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1.5x scale
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.