Finding the Fourth Proportional to 173,934.16, 260,988.80 and 129,649.84
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Solution
The fourth proportional to 173,934.16, 260,988.80 and 129,649.84 is: 194,540.03
Step by Step Solution
- Step 1: Write the proportion equation
173,934.16 : 260,988.80 = 129,649.84 : x - Step 2: Convert to fraction form
173,934.16/260,988.80 = 129,649.84/x - Step 3: Cross multiply
173,934.16x = 260,988.80 × 129,649.84 - Step 4: Simplify right side
173,934.16x = 33,837,156,161.79 - Step 5: Solve for x
x = 33,837,156,161.79/173,934.16 - Step 6: Final answer
x = 194,540.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.