Finding the Fourth Proportional to 227,457.09, 313,889.85 and 125,488.98
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Solution
The fourth proportional to 227,457.09, 313,889.85 and 125,488.98 is: 173,174.28
Step by Step Solution
- Step 1: Write the proportion equation
227,457.09 : 313,889.85 = 125,488.98 : x - Step 2: Convert to fraction form
227,457.09/313,889.85 = 125,488.98/x - Step 3: Cross multiply
227,457.09x = 313,889.85 × 125,488.98 - Step 4: Simplify right side
227,457.09x = 39,389,717,108.85 - Step 5: Solve for x
x = 39,389,717,108.85/227,457.09 - Step 6: Final answer
x = 173,174.28
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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.