Finding the Fourth Proportional to 481,693.10, 665,042.76 and 300,670.99
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Solution
The fourth proportional to 481,693.10, 665,042.76 and 300,670.99 is: 415,117.15
Step by Step Solution
- Step 1: Write the proportion equation
481,693.10 : 665,042.76 = 300,670.99 : x - Step 2: Convert to fraction form
481,693.10/665,042.76 = 300,670.99/x - Step 3: Cross multiply
481,693.10x = 665,042.76 × 300,670.99 - Step 4: Simplify right side
481,693.10x = 199,959,063,378.93 - Step 5: Solve for x
x = 199,959,063,378.93/481,693.10 - Step 6: Final answer
x = 415,117.15
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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.