Finding the Fourth Proportional to 236,519.48, 326,397.78 and 129,091.88
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Solution
The fourth proportional to 236,519.48, 326,397.78 and 129,091.88 is: 178,147.28
Step by Step Solution
- Step 1: Write the proportion equation
236,519.48 : 326,397.78 = 129,091.88 : x - Step 2: Convert to fraction form
236,519.48/326,397.78 = 129,091.88/x - Step 3: Cross multiply
236,519.48x = 326,397.78 × 129,091.88 - Step 4: Simplify right side
236,519.48x = 42,135,301,416.04 - Step 5: Solve for x
x = 42,135,301,416.04/236,519.48 - Step 6: Final answer
x = 178,147.28
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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.