Finding the Fourth Proportional to 236,652.20, 326,593.26 and 129,232.20
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Solution
The fourth proportional to 236,652.20, 326,593.26 and 129,232.20 is: 178,347.66
Step by Step Solution
- Step 1: Write the proportion equation
236,652.20 : 326,593.26 = 129,232.20 : x - Step 2: Convert to fraction form
236,652.20/326,593.26 = 129,232.20/x - Step 3: Cross multiply
236,652.20x = 326,593.26 × 129,232.20 - Step 4: Simplify right side
236,652.20x = 42,206,365,494.97 - Step 5: Solve for x
x = 42,206,365,494.97/236,652.20 - Step 6: Final answer
x = 178,347.66
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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.