Finding the Fourth Proportional to 226,672.23, 312,811.70 and 124,706.19
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Solution
The fourth proportional to 226,672.23, 312,811.70 and 124,706.19 is: 172,096.75
Step by Step Solution
- Step 1: Write the proportion equation
226,672.23 : 312,811.70 = 124,706.19 : x - Step 2: Convert to fraction form
226,672.23/312,811.70 = 124,706.19/x - Step 3: Cross multiply
226,672.23x = 312,811.70 × 124,706.19 - Step 4: Simplify right side
226,672.23x = 39,009,554,670.89 - Step 5: Solve for x
x = 39,009,554,670.89/226,672.23 - Step 6: Final answer
x = 172,096.75
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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.