Finding the Fourth Proportional to 196,461.82, 294,694.79 and 157,268.08
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Solution
The fourth proportional to 196,461.82, 294,694.79 and 157,268.08 is: 235,903.77
Step by Step Solution
- Step 1: Write the proportion equation
196,461.82 : 294,694.79 = 157,268.08 : x - Step 2: Convert to fraction form
196,461.82/294,694.79 = 157,268.08/x - Step 3: Cross multiply
196,461.82x = 294,694.79 × 157,268.08 - Step 4: Simplify right side
196,461.82x = 46,346,084,939.21 - Step 5: Solve for x
x = 46,346,084,939.21/196,461.82 - Step 6: Final answer
x = 235,903.77
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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.