Finding the Fourth Proportional to 481,066.49, 721,584.86 and 228,528.74
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Solution
The fourth proportional to 481,066.49, 721,584.86 and 228,528.74 is: 342,786.04
Step by Step Solution
- Step 1: Write the proportion equation
481,066.49 : 721,584.86 = 228,528.74 : x - Step 2: Convert to fraction form
481,066.49/721,584.86 = 228,528.74/x - Step 3: Cross multiply
481,066.49x = 721,584.86 × 228,528.74 - Step 4: Simplify right side
481,066.49x = 164,902,879,520.20 - Step 5: Solve for x
x = 164,902,879,520.20/481,066.49 - Step 6: Final answer
x = 342,786.04
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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.