Finding the Fourth Proportional to 181,930.26, 251,057.43 and 101,353.62
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Solution
The fourth proportional to 181,930.26, 251,057.43 and 101,353.62 is: 139,864.47
Step by Step Solution
- Step 1: Write the proportion equation
181,930.26 : 251,057.43 = 101,353.62 : x - Step 2: Convert to fraction form
181,930.26/251,057.43 = 101,353.62/x - Step 3: Cross multiply
181,930.26x = 251,057.43 × 101,353.62 - Step 4: Simplify right side
181,930.26x = 25,445,579,358.40 - Step 5: Solve for x
x = 25,445,579,358.40/181,930.26 - Step 6: Final answer
x = 139,864.47
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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.