Finding the Fourth Proportional to 189,536.07, 261,450.14 and 122,468.07
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Solution
The fourth proportional to 189,536.07, 261,450.14 and 122,468.07 is: 168,935.09
Step by Step Solution
- Step 1: Write the proportion equation
189,536.07 : 261,450.14 = 122,468.07 : x - Step 2: Convert to fraction form
189,536.07/261,450.14 = 122,468.07/x - Step 3: Cross multiply
189,536.07x = 261,450.14 × 122,468.07 - Step 4: Simplify right side
189,536.07x = 32,019,293,434.69 - Step 5: Solve for x
x = 32,019,293,434.69/189,536.07 - Step 6: Final answer
x = 168,935.09
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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.