Finding the Fourth Proportional to 226,894.96, 313,109.68 and 126,290.80
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Solution
The fourth proportional to 226,894.96, 313,109.68 and 126,290.80 is: 174,278.32
Step by Step Solution
- Step 1: Write the proportion equation
226,894.96 : 313,109.68 = 126,290.80 : x - Step 2: Convert to fraction form
226,894.96/313,109.68 = 126,290.80/x - Step 3: Cross multiply
226,894.96x = 313,109.68 × 126,290.80 - Step 4: Simplify right side
226,894.96x = 39,542,871,974.94 - Step 5: Solve for x
x = 39,542,871,974.94/226,894.96 - Step 6: Final answer
x = 174,278.32
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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.