Finding the Fourth Proportional to 178,968.64, 268,540.32 and 84,208.26
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Solution
The fourth proportional to 178,968.64, 268,540.32 and 84,208.26 is: 126,353.49
Step by Step Solution
- Step 1: Write the proportion equation
178,968.64 : 268,540.32 = 84,208.26 : x - Step 2: Convert to fraction form
178,968.64/268,540.32 = 84,208.26/x - Step 3: Cross multiply
178,968.64x = 268,540.32 × 84,208.26 - Step 4: Simplify right side
178,968.64x = 22,613,312,193.23 - Step 5: Solve for x
x = 22,613,312,193.23/178,968.64 - Step 6: Final answer
x = 126,353.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.