Finding the Fourth Proportional to 208,731.93, 288,254.69 and 144,366.09
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Solution
The fourth proportional to 208,731.93, 288,254.69 and 144,366.09 is: 199,366.73
Step by Step Solution
- Step 1: Write the proportion equation
208,731.93 : 288,254.69 = 144,366.09 : x - Step 2: Convert to fraction form
208,731.93/288,254.69 = 144,366.09/x - Step 3: Cross multiply
208,731.93x = 288,254.69 × 144,366.09 - Step 4: Simplify right side
208,731.93x = 41,614,202,519.46 - Step 5: Solve for x
x = 41,614,202,519.46/208,731.93 - Step 6: Final answer
x = 199,366.73
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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.