Finding the Fourth Proportional to 236,860.10, 326,862.97 and 129,427.66
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Solution
The fourth proportional to 236,860.10, 326,862.97 and 129,427.66 is: 178,608.00
Step by Step Solution
- Step 1: Write the proportion equation
236,860.10 : 326,862.97 = 129,427.66 : x - Step 2: Convert to fraction form
236,860.10/326,862.97 = 129,427.66/x - Step 3: Cross multiply
236,860.10x = 326,862.97 × 129,427.66 - Step 4: Simplify right side
236,860.10x = 42,305,109,347.75 - Step 5: Solve for x
x = 42,305,109,347.75/236,860.10 - Step 6: Final answer
x = 178,608.00
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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.