Finding the Fourth Proportional to 196,474.19, 294,268.19 and 137,572.81
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Solution
The fourth proportional to 196,474.19, 294,268.19 and 137,572.81 is: 206,048.96
Step by Step Solution
- Step 1: Write the proportion equation
196,474.19 : 294,268.19 = 137,572.81 : x - Step 2: Convert to fraction form
196,474.19/294,268.19 = 137,572.81/x - Step 3: Cross multiply
196,474.19x = 294,268.19 × 137,572.81 - Step 4: Simplify right side
196,474.19x = 40,483,301,791.91 - Step 5: Solve for x
x = 40,483,301,791.91/196,474.19 - Step 6: Final answer
x = 206,048.96
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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.