Finding the Fourth Proportional to 138,344.98, 207,524.97 and 43,582.62
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Solution
The fourth proportional to 138,344.98, 207,524.97 and 43,582.62 is: 65,376.30
Step by Step Solution
- Step 1: Write the proportion equation
138,344.98 : 207,524.97 = 43,582.62 : x - Step 2: Convert to fraction form
138,344.98/207,524.97 = 43,582.62/x - Step 3: Cross multiply
138,344.98x = 207,524.97 × 43,582.62 - Step 4: Simplify right side
138,344.98x = 9,044,482,686.24 - Step 5: Solve for x
x = 9,044,482,686.24/138,344.98 - Step 6: Final answer
x = 65,376.30
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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.