Finding the Fourth Proportional to 540,397.63, 810,473.19 and 203,473.81
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Solution
The fourth proportional to 540,397.63, 810,473.19 and 203,473.81 is: 305,164.31
Step by Step Solution
- Step 1: Write the proportion equation
540,397.63 : 810,473.19 = 203,473.81 : x - Step 2: Convert to fraction form
540,397.63/810,473.19 = 203,473.81/x - Step 3: Cross multiply
540,397.63x = 810,473.19 × 203,473.81 - Step 4: Simplify right side
540,397.63x = 164,910,067,872.15 - Step 5: Solve for x
x = 164,910,067,872.15/540,397.63 - Step 6: Final answer
x = 305,164.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.