Finding the Fourth Proportional to 144,448.21, 199,392.13 and 108,741.79
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Solution
The fourth proportional to 144,448.21, 199,392.13 and 108,741.79 is: 150,104.02
Step by Step Solution
- Step 1: Write the proportion equation
144,448.21 : 199,392.13 = 108,741.79 : x - Step 2: Convert to fraction form
144,448.21/199,392.13 = 108,741.79/x - Step 3: Cross multiply
144,448.21x = 199,392.13 × 108,741.79 - Step 4: Simplify right side
144,448.21x = 21,682,257,513.28 - Step 5: Solve for x
x = 21,682,257,513.28/144,448.21 - Step 6: Final answer
x = 150,104.02
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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.