Finding the Fourth Proportional to 198,207.23, 273,526.14 and 107,563.19
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Solution
The fourth proportional to 198,207.23, 273,526.14 and 107,563.19 is: 148,437.29
Step by Step Solution
- Step 1: Write the proportion equation
198,207.23 : 273,526.14 = 107,563.19 : x - Step 2: Convert to fraction form
198,207.23/273,526.14 = 107,563.19/x - Step 3: Cross multiply
198,207.23x = 273,526.14 × 107,563.19 - Step 4: Simplify right side
198,207.23x = 29,421,342,799.16 - Step 5: Solve for x
x = 29,421,342,799.16/198,207.23 - Step 6: Final answer
x = 148,437.29
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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.