Finding the Fourth Proportional to 204,327.60, 306,721.80 and 157,786.80
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Solution
The fourth proportional to 204,327.60, 306,721.80 and 157,786.80 is: 236,858.12
Step by Step Solution
- Step 1: Write the proportion equation
204,327.60 : 306,721.80 = 157,786.80 : x - Step 2: Convert to fraction form
204,327.60/306,721.80 = 157,786.80/x - Step 3: Cross multiply
204,327.60x = 306,721.80 × 157,786.80 - Step 4: Simplify right side
204,327.60x = 48,396,651,312.24 - Step 5: Solve for x
x = 48,396,651,312.24/204,327.60 - Step 6: Final answer
x = 236,858.12
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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.