Finding the Fourth Proportional to 414,614.94, 621,920.30 and 161,921.09
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Solution
The fourth proportional to 414,614.94, 621,920.30 and 161,921.09 is: 242,880.80
Step by Step Solution
- Step 1: Write the proportion equation
414,614.94 : 621,920.30 = 161,921.09 : x - Step 2: Convert to fraction form
414,614.94/621,920.30 = 161,921.09/x - Step 3: Cross multiply
414,614.94x = 621,920.30 × 161,921.09 - Step 4: Simplify right side
414,614.94x = 100,702,008,949.92 - Step 5: Solve for x
x = 100,702,008,949.92/414,614.94 - Step 6: Final answer
x = 242,880.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.