Finding the Fourth Proportional to 197,589.68, 272,673.74 and 106,945.62
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Solution
The fourth proportional to 197,589.68, 272,673.74 and 106,945.62 is: 147,584.95
Step by Step Solution
- Step 1: Write the proportion equation
197,589.68 : 272,673.74 = 106,945.62 : x - Step 2: Convert to fraction form
197,589.68/272,673.74 = 106,945.62/x - Step 3: Cross multiply
197,589.68x = 272,673.74 × 106,945.62 - Step 4: Simplify right side
197,589.68x = 29,161,261,647.29 - Step 5: Solve for x
x = 29,161,261,647.29/197,589.68 - Step 6: Final answer
x = 147,584.95
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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.