Finding the Fourth Proportional to 190,205.84, 262,480.84 and 105,321.08
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Solution
The fourth proportional to 190,205.84, 262,480.84 and 105,321.08 is: 145,341.31
Step by Step Solution
- Step 1: Write the proportion equation
190,205.84 : 262,480.84 = 105,321.08 : x - Step 2: Convert to fraction form
190,205.84/262,480.84 = 105,321.08/x - Step 3: Cross multiply
190,205.84x = 262,480.84 × 105,321.08 - Step 4: Simplify right side
190,205.84x = 27,644,765,548.11 - Step 5: Solve for x
x = 27,644,765,548.11/190,205.84 - Step 6: Final answer
x = 145,341.31
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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.