Finding the Fourth Proportional to 226,020.68, 311,923.12 and 125,418.68
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Solution
The fourth proportional to 226,020.68, 311,923.12 and 125,418.68 is: 173,085.87
Step by Step Solution
- Step 1: Write the proportion equation
226,020.68 : 311,923.12 = 125,418.68 : x - Step 2: Convert to fraction form
226,020.68/311,923.12 = 125,418.68/x - Step 3: Cross multiply
226,020.68x = 311,923.12 × 125,418.68 - Step 4: Simplify right side
226,020.68x = 39,120,985,971.88 - Step 5: Solve for x
x = 39,120,985,971.88/226,020.68 - Step 6: Final answer
x = 173,085.87
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1.5x scale
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.