Finding the Fourth Proportional to 240,161.86, 331,394.64 and 132,717.29
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Solution
The fourth proportional to 240,161.86, 331,394.64 and 132,717.29 is: 183,133.99
Step by Step Solution
- Step 1: Write the proportion equation
240,161.86 : 331,394.64 = 132,717.29 : x - Step 2: Convert to fraction form
240,161.86/331,394.64 = 132,717.29/x - Step 3: Cross multiply
240,161.86x = 331,394.64 × 132,717.29 - Step 4: Simplify right side
240,161.86x = 43,981,798,541.33 - Step 5: Solve for x
x = 43,981,798,541.33/240,161.86 - Step 6: Final answer
x = 183,133.99
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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.