Finding the Fourth Proportional to 118,818.36, 177,784.61 and 117,489.69
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Solution
The fourth proportional to 118,818.36, 177,784.61 and 117,489.69 is: 175,796.55
Step by Step Solution
- Step 1: Write the proportion equation
118,818.36 : 177,784.61 = 117,489.69 : x - Step 2: Convert to fraction form
118,818.36/177,784.61 = 117,489.69/x - Step 3: Cross multiply
118,818.36x = 177,784.61 × 117,489.69 - Step 4: Simplify right side
118,818.36x = 20,887,858,128.22 - Step 5: Solve for x
x = 20,887,858,128.22/118,818.36 - Step 6: Final answer
x = 175,796.55
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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.