Finding the Fourth Proportional to 197,684.07, 272,804.15 and 107,040.08
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Solution
The fourth proportional to 197,684.07, 272,804.15 and 107,040.08 is: 147,715.37
Step by Step Solution
- Step 1: Write the proportion equation
197,684.07 : 272,804.15 = 107,040.08 : x - Step 2: Convert to fraction form
197,684.07/272,804.15 = 107,040.08/x - Step 3: Cross multiply
197,684.07x = 272,804.15 × 107,040.08 - Step 4: Simplify right side
197,684.07x = 29,200,976,141.11 - Step 5: Solve for x
x = 29,200,976,141.11/197,684.07 - Step 6: Final answer
x = 147,715.37
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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.