Finding the Fourth Proportional to 226,430.40, 339,904.80 and 132,988.80
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Solution
The fourth proportional to 226,430.40, 339,904.80 and 132,988.80 is: 199,635.44
Step by Step Solution
- Step 1: Write the proportion equation
226,430.40 : 339,904.80 = 132,988.80 : x - Step 2: Convert to fraction form
226,430.40/339,904.80 = 132,988.80/x - Step 3: Cross multiply
226,430.40x = 339,904.80 × 132,988.80 - Step 4: Simplify right side
226,430.40x = 45,203,531,466.24 - Step 5: Solve for x
x = 45,203,531,466.24/226,430.40 - Step 6: Final answer
x = 199,635.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.