Finding the Fourth Proportional to 236,755.22, 326,710.19 and 129,304.67
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Solution
The fourth proportional to 236,755.22, 326,710.19 and 129,304.67 is: 178,433.88
Step by Step Solution
- Step 1: Write the proportion equation
236,755.22 : 326,710.19 = 129,304.67 : x - Step 2: Convert to fraction form
236,755.22/326,710.19 = 129,304.67/x - Step 3: Cross multiply
236,755.22x = 326,710.19 × 129,304.67 - Step 4: Simplify right side
236,755.22x = 42,245,153,303.59 - Step 5: Solve for x
x = 42,245,153,303.59/236,755.22 - Step 6: Final answer
x = 178,433.88
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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.