Finding the Fourth Proportional to 197,699.63, 272,825.00 and 107,055.59
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Solution
The fourth proportional to 197,699.63, 272,825.00 and 107,055.59 is: 147,736.45
Step by Step Solution
- Step 1: Write the proportion equation
197,699.63 : 272,825.00 = 107,055.59 : x - Step 2: Convert to fraction form
197,699.63/272,825.00 = 107,055.59/x - Step 3: Cross multiply
197,699.63x = 272,825.00 × 107,055.59 - Step 4: Simplify right side
197,699.63x = 29,207,442,378.88 - Step 5: Solve for x
x = 29,207,442,378.88/197,699.63 - Step 6: Final answer
x = 147,736.45
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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.