Finding the Fourth Proportional to 144,440.97, 199,356.12 and 96,777.42
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Solution
The fourth proportional to 144,440.97, 199,356.12 and 96,777.42 is: 133,571.32
Step by Step Solution
- Step 1: Write the proportion equation
144,440.97 : 199,356.12 = 96,777.42 : x - Step 2: Convert to fraction form
144,440.97/199,356.12 = 96,777.42/x - Step 3: Cross multiply
144,440.97x = 199,356.12 × 96,777.42 - Step 4: Simplify right side
144,440.97x = 19,293,170,954.81 - Step 5: Solve for x
x = 19,293,170,954.81/144,440.97 - Step 6: Final answer
x = 133,571.32
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1.5x scale
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.