Finding the Fourth Proportional to 365,028.20, 547,644.70 and 178,045.80
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Solution
The fourth proportional to 365,028.20, 547,644.70 and 178,045.80 is: 267,118.65
Step by Step Solution
- Step 1: Write the proportion equation
365,028.20 : 547,644.70 = 178,045.80 : x - Step 2: Convert to fraction form
365,028.20/547,644.70 = 178,045.80/x - Step 3: Cross multiply
365,028.20x = 547,644.70 × 178,045.80 - Step 4: Simplify right side
365,028.20x = 97,505,838,727.26 - Step 5: Solve for x
x = 97,505,838,727.26/365,028.20 - Step 6: Final answer
x = 267,118.65
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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.