Finding the Fourth Proportional to 330,858.42, 496,010.07 and 274,540.74
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Solution
The fourth proportional to 330,858.42, 496,010.07 and 274,540.74 is: 411,580.80
Step by Step Solution
- Step 1: Write the proportion equation
330,858.42 : 496,010.07 = 274,540.74 : x - Step 2: Convert to fraction form
330,858.42/496,010.07 = 274,540.74/x - Step 3: Cross multiply
330,858.42x = 496,010.07 × 274,540.74 - Step 4: Simplify right side
330,858.42x = 136,174,971,665.25 - Step 5: Solve for x
x = 136,174,971,665.25/330,858.42 - Step 6: Final answer
x = 411,580.80
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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.