Finding the Fourth Proportional to 238,580.42, 329,232.60 and 131,149.68
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Solution
The fourth proportional to 238,580.42, 329,232.60 and 131,149.68 is: 180,981.96
Step by Step Solution
- Step 1: Write the proportion equation
238,580.42 : 329,232.60 = 131,149.68 : x - Step 2: Convert to fraction form
238,580.42/329,232.60 = 131,149.68/x - Step 3: Cross multiply
238,580.42x = 329,232.60 × 131,149.68 - Step 4: Simplify right side
238,580.42x = 43,178,750,135.57 - Step 5: Solve for x
x = 43,178,750,135.57/238,580.42 - Step 6: Final answer
x = 180,981.96
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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.