Finding the Fourth Proportional to 226,649.48, 312,769.71 and 124,674.98
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Solution
The fourth proportional to 226,649.48, 312,769.71 and 124,674.98 is: 172,047.85
Step by Step Solution
- Step 1: Write the proportion equation
226,649.48 : 312,769.71 = 124,674.98 : x - Step 2: Convert to fraction form
226,649.48/312,769.71 = 124,674.98/x - Step 3: Cross multiply
226,649.48x = 312,769.71 × 124,674.98 - Step 4: Simplify right side
226,649.48x = 38,994,555,775.01 - Step 5: Solve for x
x = 38,994,555,775.01/226,649.48 - Step 6: Final answer
x = 172,047.85
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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.