Finding the Fourth Proportional to 251,953.64, 347,685.62 and 137,232.73
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Solution
The fourth proportional to 251,953.64, 347,685.62 and 137,232.73 is: 189,375.50
Step by Step Solution
- Step 1: Write the proportion equation
251,953.64 : 347,685.62 = 137,232.73 : x - Step 2: Convert to fraction form
251,953.64/347,685.62 = 137,232.73/x - Step 3: Cross multiply
251,953.64x = 347,685.62 × 137,232.73 - Step 4: Simplify right side
251,953.64x = 47,713,846,562.79 - Step 5: Solve for x
x = 47,713,846,562.79/251,953.64 - Step 6: Final answer
x = 189,375.50
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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.