Finding the Fourth Proportional to 218,400.10, 327,678.99 and 76,266.33
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Solution
The fourth proportional to 218,400.10, 327,678.99 and 76,266.33 is: 114,427.03
Step by Step Solution
- Step 1: Write the proportion equation
218,400.10 : 327,678.99 = 76,266.33 : x - Step 2: Convert to fraction form
218,400.10/327,678.99 = 76,266.33/x - Step 3: Cross multiply
218,400.10x = 327,678.99 × 76,266.33 - Step 4: Simplify right side
218,400.10x = 24,990,873,985.41 - Step 5: Solve for x
x = 24,990,873,985.41/218,400.10 - Step 6: Final answer
x = 114,427.03
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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.