Finding the Fourth Proportional to 132,778.88, 183,232.50 and 72,349.94
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Solution
The fourth proportional to 132,778.88, 183,232.50 and 72,349.94 is: 99,841.63
Step by Step Solution
- Step 1: Write the proportion equation
132,778.88 : 183,232.50 = 72,349.94 : x - Step 2: Convert to fraction form
132,778.88/183,232.50 = 72,349.94/x - Step 3: Cross multiply
132,778.88x = 183,232.50 × 72,349.94 - Step 4: Simplify right side
132,778.88x = 13,256,860,381.05 - Step 5: Solve for x
x = 13,256,860,381.05/132,778.88 - Step 6: Final answer
x = 99,841.63
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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.