Finding the Fourth Proportional to 218,489.50, 301,445.15 and 132,482.99
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Solution
The fourth proportional to 218,489.50, 301,445.15 and 132,482.99 is: 182,783.86
Step by Step Solution
- Step 1: Write the proportion equation
218,489.50 : 301,445.15 = 132,482.99 : x - Step 2: Convert to fraction form
218,489.50/301,445.15 = 132,482.99/x - Step 3: Cross multiply
218,489.50x = 301,445.15 × 132,482.99 - Step 4: Simplify right side
218,489.50x = 39,936,354,884.20 - Step 5: Solve for x
x = 39,936,354,884.20/218,489.50 - Step 6: Final answer
x = 182,783.86
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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.