Finding the Fourth Proportional to 236,818.22, 326,813.84 and 129,394.90
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Solution
The fourth proportional to 236,818.22, 326,813.84 and 129,394.90 is: 178,567.53
Step by Step Solution
- Step 1: Write the proportion equation
236,818.22 : 326,813.84 = 129,394.90 : x - Step 2: Convert to fraction form
236,818.22/326,813.84 = 129,394.90/x - Step 3: Cross multiply
236,818.22x = 326,813.84 × 129,394.90 - Step 4: Simplify right side
236,818.22x = 42,288,044,392.19 - Step 5: Solve for x
x = 42,288,044,392.19/236,818.22 - Step 6: Final answer
x = 178,567.53
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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.