Finding the Fourth Proportional to 230,564.99, 345,896.70 and 80,814.42
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Solution
The fourth proportional to 230,564.99, 345,896.70 and 80,814.42 is: 121,238.88
Step by Step Solution
- Step 1: Write the proportion equation
230,564.99 : 345,896.70 = 80,814.42 : x - Step 2: Convert to fraction form
230,564.99/345,896.70 = 80,814.42/x - Step 3: Cross multiply
230,564.99x = 345,896.70 × 80,814.42 - Step 4: Simplify right side
230,564.99x = 27,953,440,887.36 - Step 5: Solve for x
x = 27,953,440,887.36/230,564.99 - Step 6: Final answer
x = 121,238.88
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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.