Finding the Fourth Proportional to 694,361.44, 1,041,741.84 and 221,119.84
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Solution
The fourth proportional to 694,361.44, 1,041,741.84 and 221,119.84 is: 331,743.35
Step by Step Solution
- Step 1: Write the proportion equation
694,361.44 : 1,041,741.84 = 221,119.84 : x - Step 2: Convert to fraction form
694,361.44/1,041,741.84 = 221,119.84/x - Step 3: Cross multiply
694,361.44x = 1,041,741.84 × 221,119.84 - Step 4: Simplify right side
694,361.44x = 230,349,788,982.11 - Step 5: Solve for x
x = 230,349,788,982.11/694,361.44 - Step 6: Final answer
x = 331,743.35
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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.