Finding the Fourth Proportional to 117,330.36, 161,917.10 and 63,615.48
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Solution
The fourth proportional to 117,330.36, 161,917.10 and 63,615.48 is: 87,790.01
Step by Step Solution
- Step 1: Write the proportion equation
117,330.36 : 161,917.10 = 63,615.48 : x - Step 2: Convert to fraction form
117,330.36/161,917.10 = 63,615.48/x - Step 3: Cross multiply
117,330.36x = 161,917.10 × 63,615.48 - Step 4: Simplify right side
117,330.36x = 10,300,434,036.71 - Step 5: Solve for x
x = 10,300,434,036.71/117,330.36 - Step 6: Final answer
x = 87,790.01
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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.