Finding the Fourth Proportional to 118,926.64, 178,260.18 and 43,982.92
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Solution
The fourth proportional to 118,926.64, 178,260.18 and 43,982.92 is: 65,926.38
Step by Step Solution
- Step 1: Write the proportion equation
118,926.64 : 178,260.18 = 43,982.92 : x - Step 2: Convert to fraction form
118,926.64/178,260.18 = 43,982.92/x - Step 3: Cross multiply
118,926.64x = 178,260.18 × 43,982.92 - Step 4: Simplify right side
118,926.64x = 7,840,403,236.13 - Step 5: Solve for x
x = 7,840,403,236.13/118,926.64 - Step 6: Final answer
x = 65,926.38
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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.