Finding the Fourth Proportional to 237,481.19, 327,721.58 and 128,583.66
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Solution
The fourth proportional to 237,481.19, 327,721.58 and 128,583.66 is: 177,444.12
Step by Step Solution
- Step 1: Write the proportion equation
237,481.19 : 327,721.58 = 128,583.66 : x - Step 2: Convert to fraction form
237,481.19/327,721.58 = 128,583.66/x - Step 3: Cross multiply
237,481.19x = 327,721.58 × 128,583.66 - Step 4: Simplify right side
237,481.19x = 42,139,640,217.38 - Step 5: Solve for x
x = 42,139,640,217.38/237,481.19 - Step 6: Final answer
x = 177,444.12
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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.