Finding the Fourth Proportional to 438,493.20, 657,696.72 and 297,245.84
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Solution
The fourth proportional to 438,493.20, 657,696.72 and 297,245.84 is: 445,839.56
Step by Step Solution
- Step 1: Write the proportion equation
438,493.20 : 657,696.72 = 297,245.84 : x - Step 2: Convert to fraction form
438,493.20/657,696.72 = 297,245.84/x - Step 3: Cross multiply
438,493.20x = 657,696.72 × 297,245.84 - Step 4: Simplify right side
438,493.20x = 195,497,614,001.65 - Step 5: Solve for x
x = 195,497,614,001.65/438,493.20 - Step 6: Final answer
x = 445,839.56
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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.