Finding the Fourth Proportional to 226,923.12, 313,153.80 and 126,344.88
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Solution
The fourth proportional to 226,923.12, 313,153.80 and 126,344.88 is: 174,355.88
Step by Step Solution
- Step 1: Write the proportion equation
226,923.12 : 313,153.80 = 126,344.88 : x - Step 2: Convert to fraction form
226,923.12/313,153.80 = 126,344.88/x - Step 3: Cross multiply
226,923.12x = 313,153.80 × 126,344.88 - Step 4: Simplify right side
226,923.12x = 39,565,379,282.54 - Step 5: Solve for x
x = 39,565,379,282.54/226,923.12 - Step 6: Final answer
x = 174,355.88
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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.