Finding the Fourth Proportional to 319,912.08, 479,527.11 and 240,781.56
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Solution
The fourth proportional to 319,912.08, 479,527.11 and 240,781.56 is: 360,915.68
Step by Step Solution
- Step 1: Write the proportion equation
319,912.08 : 479,527.11 = 240,781.56 : x - Step 2: Convert to fraction form
319,912.08/479,527.11 = 240,781.56/x - Step 3: Cross multiply
319,912.08x = 479,527.11 × 240,781.56 - Step 4: Simplify right side
319,912.08x = 115,461,285,608.09 - Step 5: Solve for x
x = 115,461,285,608.09/319,912.08 - Step 6: Final answer
x = 360,915.68
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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.