Finding the Fourth Proportional to 236,646.36, 326,570.67 and 129,215.62
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Solution
The fourth proportional to 236,646.36, 326,570.67 and 129,215.62 is: 178,316.85
Step by Step Solution
- Step 1: Write the proportion equation
236,646.36 : 326,570.67 = 129,215.62 : x - Step 2: Convert to fraction form
236,646.36/326,570.67 = 129,215.62/x - Step 3: Cross multiply
236,646.36x = 326,570.67 × 129,215.62 - Step 4: Simplify right side
236,646.36x = 42,198,032,091.25 - Step 5: Solve for x
x = 42,198,032,091.25/236,646.36 - Step 6: Final answer
x = 178,316.85
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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.