Finding the Fourth Proportional to 190,316.51, 262,517.99 and 122,422.00
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Solution
The fourth proportional to 190,316.51, 262,517.99 and 122,422.00 is: 168,865.94
Step by Step Solution
- Step 1: Write the proportion equation
190,316.51 : 262,517.99 = 122,422.00 : x - Step 2: Convert to fraction form
190,316.51/262,517.99 = 122,422.00/x - Step 3: Cross multiply
190,316.51x = 262,517.99 × 122,422.00 - Step 4: Simplify right side
190,316.51x = 32,137,976,059.19 - Step 5: Solve for x
x = 32,137,976,059.19/190,316.51 - Step 6: Final answer
x = 168,865.94
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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.