Finding the Fourth Proportional to 226,664.63, 339,994.91 and 84,505.07
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Solution
The fourth proportional to 226,664.63, 339,994.91 and 84,505.07 is: 126,756.85
Step by Step Solution
- Step 1: Write the proportion equation
226,664.63 : 339,994.91 = 84,505.07 : x - Step 2: Convert to fraction form
226,664.63/339,994.91 = 84,505.07/x - Step 3: Cross multiply
226,664.63x = 339,994.91 × 84,505.07 - Step 4: Simplify right side
226,664.63x = 28,731,293,669.19 - Step 5: Solve for x
x = 28,731,293,669.19/226,664.63 - Step 6: Final answer
x = 126,756.85
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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.