Finding the Fourth Proportional to 181,927.53, 272,920.46 and 76,761.99
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Solution
The fourth proportional to 181,927.53, 272,920.46 and 76,761.99 is: 115,155.29
Step by Step Solution
- Step 1: Write the proportion equation
181,927.53 : 272,920.46 = 76,761.99 : x - Step 2: Convert to fraction form
181,927.53/272,920.46 = 76,761.99/x - Step 3: Cross multiply
181,927.53x = 272,920.46 × 76,761.99 - Step 4: Simplify right side
181,927.53x = 20,949,917,621.32 - Step 5: Solve for x
x = 20,949,917,621.32/181,927.53 - Step 6: Final answer
x = 115,155.29
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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.