Finding the Fourth Proportional to 236,805.12, 326,793.96 and 129,376.44
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Solution
The fourth proportional to 236,805.12, 326,793.96 and 129,376.44 is: 178,541.07
Step by Step Solution
- Step 1: Write the proportion equation
236,805.12 : 326,793.96 = 129,376.44 : x - Step 2: Convert to fraction form
236,805.12/326,793.96 = 129,376.44/x - Step 3: Cross multiply
236,805.12x = 326,793.96 × 129,376.44 - Step 4: Simplify right side
236,805.12x = 42,279,439,158.30 - Step 5: Solve for x
x = 42,279,439,158.30/236,805.12 - Step 6: Final answer
x = 178,541.07
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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.