Finding the Fourth Proportional to 226,698.13, 312,838.36 and 131,202.91
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Solution
The fourth proportional to 226,698.13, 312,838.36 and 131,202.91 is: 181,057.09
Step by Step Solution
- Step 1: Write the proportion equation
226,698.13 : 312,838.36 = 131,202.91 : x - Step 2: Convert to fraction form
226,698.13/312,838.36 = 131,202.91/x - Step 3: Cross multiply
226,698.13x = 312,838.36 × 131,202.91 - Step 4: Simplify right side
226,698.13x = 41,045,303,191.63 - Step 5: Solve for x
x = 41,045,303,191.63/226,698.13 - Step 6: Final answer
x = 181,057.09
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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.