Finding the Fourth Proportional to 181,234.81, 271,790.65 and 68,887.99
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Solution
The fourth proportional to 181,234.81, 271,790.65 and 68,887.99 is: 103,308.58
Step by Step Solution
- Step 1: Write the proportion equation
181,234.81 : 271,790.65 = 68,887.99 : x - Step 2: Convert to fraction form
181,234.81/271,790.65 = 68,887.99/x - Step 3: Cross multiply
181,234.81x = 271,790.65 × 68,887.99 - Step 4: Simplify right side
181,234.81x = 18,723,111,579.29 - Step 5: Solve for x
x = 18,723,111,579.29/181,234.81 - Step 6: Final answer
x = 103,308.58
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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.