Finding the Fourth Proportional to 251,682.23, 347,321.36 and 138,504.98
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Solution
The fourth proportional to 251,682.23, 347,321.36 and 138,504.98 is: 191,136.80
Step by Step Solution
- Step 1: Write the proportion equation
251,682.23 : 347,321.36 = 138,504.98 : x - Step 2: Convert to fraction form
251,682.23/347,321.36 = 138,504.98/x - Step 3: Cross multiply
251,682.23x = 347,321.36 × 138,504.98 - Step 4: Simplify right side
251,682.23x = 48,105,735,591.24 - Step 5: Solve for x
x = 48,105,735,591.24/251,682.23 - Step 6: Final answer
x = 191,136.80
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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.