Finding the Fourth Proportional to 227,154.24, 313,461.63 and 131,691.96
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Solution
The fourth proportional to 227,154.24, 313,461.63 and 131,691.96 is: 181,728.40
Step by Step Solution
- Step 1: Write the proportion equation
227,154.24 : 313,461.63 = 131,691.96 : x - Step 2: Convert to fraction form
227,154.24/313,461.63 = 131,691.96/x - Step 3: Cross multiply
227,154.24x = 313,461.63 × 131,691.96 - Step 4: Simplify right side
227,154.24x = 41,280,376,439.49 - Step 5: Solve for x
x = 41,280,376,439.49/227,154.24 - Step 6: Final answer
x = 181,728.40
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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.