Finding the Fourth Proportional to 226,697.88, 312,838.02 and 131,202.66
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Solution
The fourth proportional to 226,697.88, 312,838.02 and 131,202.66 is: 181,056.75
Step by Step Solution
- Step 1: Write the proportion equation
226,697.88 : 312,838.02 = 131,202.66 : x - Step 2: Convert to fraction form
226,697.88/312,838.02 = 131,202.66/x - Step 3: Cross multiply
226,697.88x = 312,838.02 × 131,202.66 - Step 4: Simplify right side
226,697.88x = 41,045,180,373.13 - Step 5: Solve for x
x = 41,045,180,373.13/226,697.88 - Step 6: Final answer
x = 181,056.75
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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.