Finding the Fourth Proportional to 232,486.74, 320,749.11 and 151,960.68
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Solution
The fourth proportional to 232,486.74, 320,749.11 and 151,960.68 is: 209,651.75
Step by Step Solution
- Step 1: Write the proportion equation
232,486.74 : 320,749.11 = 151,960.68 : x - Step 2: Convert to fraction form
232,486.74/320,749.11 = 151,960.68/x - Step 3: Cross multiply
232,486.74x = 320,749.11 × 151,960.68 - Step 4: Simplify right side
232,486.74x = 48,741,252,864.99 - Step 5: Solve for x
x = 48,741,252,864.99/232,486.74 - Step 6: Final answer
x = 209,651.75
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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.