Finding the Fourth Proportional to 118,927.64, 178,261.68 and 43,983.92
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Solution
The fourth proportional to 118,927.64, 178,261.68 and 43,983.92 is: 65,927.88
Step by Step Solution
- Step 1: Write the proportion equation
118,927.64 : 178,261.68 = 43,983.92 : x - Step 2: Convert to fraction form
118,927.64/178,261.68 = 43,983.92/x - Step 3: Cross multiply
118,927.64x = 178,261.68 × 43,983.92 - Step 4: Simplify right side
118,927.64x = 7,840,647,472.19 - Step 5: Solve for x
x = 7,840,647,472.19/118,927.64 - Step 6: Final answer
x = 65,927.88
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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.