Finding the Fourth Proportional to 191,428.09, 264,138.48 and 110,841.68
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Solution
The fourth proportional to 191,428.09, 264,138.48 and 110,841.68 is: 152,942.83
Step by Step Solution
- Step 1: Write the proportion equation
191,428.09 : 264,138.48 = 110,841.68 : x - Step 2: Convert to fraction form
191,428.09/264,138.48 = 110,841.68/x - Step 3: Cross multiply
191,428.09x = 264,138.48 × 110,841.68 - Step 4: Simplify right side
191,428.09x = 29,277,553,536.19 - Step 5: Solve for x
x = 29,277,553,536.19/191,428.09 - Step 6: Final answer
x = 152,942.83
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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.