Finding the Fourth Proportional to 236,612.24, 326,532.62 and 129,190.44
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Solution
The fourth proportional to 236,612.24, 326,532.62 and 129,190.44 is: 178,287.03
Step by Step Solution
- Step 1: Write the proportion equation
236,612.24 : 326,532.62 = 129,190.44 : x - Step 2: Convert to fraction form
236,612.24/326,532.62 = 129,190.44/x - Step 3: Cross multiply
236,612.24x = 326,532.62 × 129,190.44 - Step 4: Simplify right side
236,612.24x = 42,184,893,672.93 - Step 5: Solve for x
x = 42,184,893,672.93/236,612.24 - Step 6: Final answer
x = 178,287.03
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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.