Finding the Fourth Proportional to 859,858.68, 1,289,786.36 and 228,772.48
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Solution
The fourth proportional to 859,858.68, 1,289,786.36 and 228,772.48 is: 343,158.28
Step by Step Solution
- Step 1: Write the proportion equation
859,858.68 : 1,289,786.36 = 228,772.48 : x - Step 2: Convert to fraction form
859,858.68/1,289,786.36 = 228,772.48/x - Step 3: Cross multiply
859,858.68x = 1,289,786.36 × 228,772.48 - Step 4: Simplify right side
859,858.68x = 295,067,624,247.37 - Step 5: Solve for x
x = 295,067,624,247.37/859,858.68 - Step 6: Final answer
x = 343,158.28
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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.