Finding the Fourth Proportional to 217,725.74, 300,461.29 and 122,232.62
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Solution
The fourth proportional to 217,725.74, 300,461.29 and 122,232.62 is: 168,680.89
Step by Step Solution
- Step 1: Write the proportion equation
217,725.74 : 300,461.29 = 122,232.62 : x - Step 2: Convert to fraction form
217,725.74/300,461.29 = 122,232.62/x - Step 3: Cross multiply
217,725.74x = 300,461.29 × 122,232.62 - Step 4: Simplify right side
217,725.74x = 36,726,170,685.28 - Step 5: Solve for x
x = 36,726,170,685.28/217,725.74 - Step 6: Final answer
x = 168,680.89
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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.