Finding the Fourth Proportional to 214,918.02, 322,431.70 and 126,246.50
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Solution
The fourth proportional to 214,918.02, 322,431.70 and 126,246.50 is: 189,401.86
Step by Step Solution
- Step 1: Write the proportion equation
214,918.02 : 322,431.70 = 126,246.50 : x - Step 2: Convert to fraction form
214,918.02/322,431.70 = 126,246.50/x - Step 3: Cross multiply
214,918.02x = 322,431.70 × 126,246.50 - Step 4: Simplify right side
214,918.02x = 40,705,873,614.05 - Step 5: Solve for x
x = 40,705,873,614.05/214,918.02 - Step 6: Final answer
x = 189,401.86
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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.