Finding the Fourth Proportional to 132,492.84, 182,779.80 and 78,747.32
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Solution
The fourth proportional to 132,492.84, 182,779.80 and 78,747.32 is: 108,635.44
Step by Step Solution
- Step 1: Write the proportion equation
132,492.84 : 182,779.80 = 78,747.32 : x - Step 2: Convert to fraction form
132,492.84/182,779.80 = 78,747.32/x - Step 3: Cross multiply
132,492.84x = 182,779.80 × 78,747.32 - Step 4: Simplify right side
132,492.84x = 14,393,418,486.24 - Step 5: Solve for x
x = 14,393,418,486.24/132,492.84 - Step 6: Final answer
x = 108,635.44
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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.