Finding the Fourth Proportional to 226,202.67, 312,198.09 and 130,764.69
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Solution
The fourth proportional to 226,202.67, 312,198.09 and 130,764.69 is: 180,477.47
Step by Step Solution
- Step 1: Write the proportion equation
226,202.67 : 312,198.09 = 130,764.69 : x - Step 2: Convert to fraction form
226,202.67/312,198.09 = 130,764.69/x - Step 3: Cross multiply
226,202.67x = 312,198.09 × 130,764.69 - Step 4: Simplify right side
226,202.67x = 40,824,486,457.44 - Step 5: Solve for x
x = 40,824,486,457.44/226,202.67 - Step 6: Final answer
x = 180,477.47
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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.