Finding the Fourth Proportional to 327,669.60, 491,115.60 and 169,816.80
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Solution
The fourth proportional to 327,669.60, 491,115.60 and 169,816.80 is: 254,523.70
Step by Step Solution
- Step 1: Write the proportion equation
327,669.60 : 491,115.60 = 169,816.80 : x - Step 2: Convert to fraction form
327,669.60/491,115.60 = 169,816.80/x - Step 3: Cross multiply
327,669.60x = 491,115.60 × 169,816.80 - Step 4: Simplify right side
327,669.60x = 83,399,679,622.08 - Step 5: Solve for x
x = 83,399,679,622.08/327,669.60 - Step 6: Final answer
x = 254,523.70
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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.