Finding the Fourth Proportional to 251,817.19, 347,509.82 and 137,096.62
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Solution
The fourth proportional to 251,817.19, 347,509.82 and 137,096.62 is: 189,194.48
Step by Step Solution
- Step 1: Write the proportion equation
251,817.19 : 347,509.82 = 137,096.62 : x - Step 2: Convert to fraction form
251,817.19/347,509.82 = 137,096.62/x - Step 3: Cross multiply
251,817.19x = 347,509.82 × 137,096.62 - Step 4: Simplify right side
251,817.19x = 47,642,421,738.81 - Step 5: Solve for x
x = 47,642,421,738.81/251,817.19 - Step 6: Final answer
x = 189,194.48
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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.