Finding the Fourth Proportional to 145,969.91, 201,361.99 and 126,806.66
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Solution
The fourth proportional to 145,969.91, 201,361.99 and 126,806.66 is: 174,926.75
Step by Step Solution
- Step 1: Write the proportion equation
145,969.91 : 201,361.99 = 126,806.66 : x - Step 2: Convert to fraction form
145,969.91/201,361.99 = 126,806.66/x - Step 3: Cross multiply
145,969.91x = 201,361.99 × 126,806.66 - Step 4: Simplify right side
145,969.91x = 25,534,041,402.85 - Step 5: Solve for x
x = 25,534,041,402.85/145,969.91 - Step 6: Final answer
x = 174,926.75
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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.