Finding the Fourth Proportional to 694,427.36, 1,041,296.46 and 221,051.18
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Solution
The fourth proportional to 694,427.36, 1,041,296.46 and 221,051.18 is: 331,467.08
Step by Step Solution
- Step 1: Write the proportion equation
694,427.36 : 1,041,296.46 = 221,051.18 : x - Step 2: Convert to fraction form
694,427.36/1,041,296.46 = 221,051.18/x - Step 3: Cross multiply
694,427.36x = 1,041,296.46 × 221,051.18 - Step 4: Simplify right side
694,427.36x = 230,179,811,212.82 - Step 5: Solve for x
x = 230,179,811,212.82/694,427.36 - Step 6: Final answer
x = 331,467.08
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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.