Finding the Fourth Proportional to 236,686.29, 326,629.68 and 129,259.48
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Solution
The fourth proportional to 236,686.29, 326,629.68 and 129,259.48 is: 178,379.50
Step by Step Solution
- Step 1: Write the proportion equation
236,686.29 : 326,629.68 = 129,259.48 : x - Step 2: Convert to fraction form
236,686.29/326,629.68 = 129,259.48/x - Step 3: Cross multiply
236,686.29x = 326,629.68 × 129,259.48 - Step 4: Simplify right side
236,686.29x = 42,219,982,589.37 - Step 5: Solve for x
x = 42,219,982,589.37/236,686.29 - Step 6: Final answer
x = 178,379.50
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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.