Finding the Fourth Proportional to 198,224.29, 273,549.66 and 107,580.23
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Solution
The fourth proportional to 198,224.29, 273,549.66 and 107,580.23 is: 148,460.79
Step by Step Solution
- Step 1: Write the proportion equation
198,224.29 : 273,549.66 = 107,580.23 : x - Step 2: Convert to fraction form
198,224.29/273,549.66 = 107,580.23/x - Step 3: Cross multiply
198,224.29x = 273,549.66 × 107,580.23 - Step 4: Simplify right side
198,224.29x = 29,428,535,339.22 - Step 5: Solve for x
x = 29,428,535,339.22/198,224.29 - Step 6: Final answer
x = 148,460.79
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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.