Finding the Fourth Proportional to 168,464.14, 232,478.74 and 91,982.99
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Solution
The fourth proportional to 168,464.14, 232,478.74 and 91,982.99 is: 126,935.56
Step by Step Solution
- Step 1: Write the proportion equation
168,464.14 : 232,478.74 = 91,982.99 : x - Step 2: Convert to fraction form
168,464.14/232,478.74 = 91,982.99/x - Step 3: Cross multiply
168,464.14x = 232,478.74 × 91,982.99 - Step 4: Simplify right side
168,464.14x = 21,384,089,967.87 - Step 5: Solve for x
x = 21,384,089,967.87/168,464.14 - Step 6: Final answer
x = 126,935.56
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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.