Finding the Fourth Proportional to 347,197.76, 479,136.68 and 203,963.84
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Solution
The fourth proportional to 347,197.76, 479,136.68 and 203,963.84 is: 281,472.31
Step by Step Solution
- Step 1: Write the proportion equation
347,197.76 : 479,136.68 = 203,963.84 : x - Step 2: Convert to fraction form
347,197.76/479,136.68 = 203,963.84/x - Step 3: Cross multiply
347,197.76x = 479,136.68 × 203,963.84 - Step 4: Simplify right side
347,197.76x = 97,726,557,137.65 - Step 5: Solve for x
x = 97,726,557,137.65/347,197.76 - Step 6: Final answer
x = 281,472.31
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1.5x scale
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.