Finding the Fourth Proportional to 427,107.24, 589,399.20 and 236,116.44
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Solution
The fourth proportional to 427,107.24, 589,399.20 and 236,116.44 is: 325,835.83
Step by Step Solution
- Step 1: Write the proportion equation
427,107.24 : 589,399.20 = 236,116.44 : x - Step 2: Convert to fraction form
427,107.24/589,399.20 = 236,116.44/x - Step 3: Cross multiply
427,107.24x = 589,399.20 × 236,116.44 - Step 4: Simplify right side
427,107.24x = 139,166,840,842.85 - Step 5: Solve for x
x = 139,166,840,842.85/427,107.24 - Step 6: Final answer
x = 325,835.83
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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.