Finding the Fourth Proportional to 121,171.31, 181,754.36 and 32,424.80
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Solution
The fourth proportional to 121,171.31, 181,754.36 and 32,424.80 is: 48,636.50
Step by Step Solution
- Step 1: Write the proportion equation
121,171.31 : 181,754.36 = 32,424.80 : x - Step 2: Convert to fraction form
121,171.31/181,754.36 = 32,424.80/x - Step 3: Cross multiply
121,171.31x = 181,754.36 × 32,424.80 - Step 4: Simplify right side
121,171.31x = 5,893,348,610.00 - Step 5: Solve for x
x = 5,893,348,610.00/121,171.31 - Step 6: Final answer
x = 48,636.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.