Finding the Fourth Proportional to 190,475.25, 262,858.80 and 104,442.08
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Solution
The fourth proportional to 190,475.25, 262,858.80 and 104,442.08 is: 144,131.70
Step by Step Solution
- Step 1: Write the proportion equation
190,475.25 : 262,858.80 = 104,442.08 : x - Step 2: Convert to fraction form
190,475.25/262,858.80 = 104,442.08/x - Step 3: Cross multiply
190,475.25x = 262,858.80 × 104,442.08 - Step 4: Simplify right side
190,475.25x = 27,453,520,232.31 - Step 5: Solve for x
x = 27,453,520,232.31/190,475.25 - Step 6: Final answer
x = 144,131.70
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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.