Finding the Fourth Proportional to 260,463.23, 389,629.05 and 196,810.19
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Solution
The fourth proportional to 260,463.23, 389,629.05 and 196,810.19 is: 294,409.95
Step by Step Solution
- Step 1: Write the proportion equation
260,463.23 : 389,629.05 = 196,810.19 : x - Step 2: Convert to fraction form
260,463.23/389,629.05 = 196,810.19/x - Step 3: Cross multiply
260,463.23x = 389,629.05 × 196,810.19 - Step 4: Simplify right side
260,463.23x = 76,682,967,360.02 - Step 5: Solve for x
x = 76,682,967,360.02/260,463.23 - Step 6: Final answer
x = 294,409.95
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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.