Finding the Fourth Proportional to 612,198.64, 918,308.49 and 212,852.44
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Solution
The fourth proportional to 612,198.64, 918,308.49 and 212,852.44 is: 319,282.32
Step by Step Solution
- Step 1: Write the proportion equation
612,198.64 : 918,308.49 = 212,852.44 : x - Step 2: Convert to fraction form
612,198.64/918,308.49 = 212,852.44/x - Step 3: Cross multiply
612,198.64x = 918,308.49 × 212,852.44 - Step 4: Simplify right side
612,198.64x = 195,464,202,769.22 - Step 5: Solve for x
x = 195,464,202,769.22/612,198.64 - Step 6: Final answer
x = 319,282.32
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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.