Finding the Fourth Proportional to 296,527.40, 409,207.97 and 160,561.41
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Solution
The fourth proportional to 296,527.40, 409,207.97 and 160,561.41 is: 221,574.83
Step by Step Solution
- Step 1: Write the proportion equation
296,527.40 : 409,207.97 = 160,561.41 : x - Step 2: Convert to fraction form
296,527.40/409,207.97 = 160,561.41/x - Step 3: Cross multiply
296,527.40x = 409,207.97 × 160,561.41 - Step 4: Simplify right side
296,527.40x = 65,703,007,513.31 - Step 5: Solve for x
x = 65,703,007,513.31/296,527.40 - Step 6: Final answer
x = 221,574.83
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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.