Finding the Fourth Proportional to 198,246.75, 273,579.84 and 107,602.71
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Solution
The fourth proportional to 198,246.75, 273,579.84 and 107,602.71 is: 148,491.37
Step by Step Solution
- Step 1: Write the proportion equation
198,246.75 : 273,579.84 = 107,602.71 : x - Step 2: Convert to fraction form
198,246.75/273,579.84 = 107,602.71/x - Step 3: Cross multiply
198,246.75x = 273,579.84 × 107,602.71 - Step 4: Simplify right side
198,246.75x = 29,437,932,185.37 - Step 5: Solve for x
x = 29,437,932,185.37/198,246.75 - Step 6: Final answer
x = 148,491.37
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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.