Finding the Fourth Proportional to 138,167.40, 207,250.62 and 59,230.44
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Solution
The fourth proportional to 138,167.40, 207,250.62 and 59,230.44 is: 88,845.45
Step by Step Solution
- Step 1: Write the proportion equation
138,167.40 : 207,250.62 = 59,230.44 : x - Step 2: Convert to fraction form
138,167.40/207,250.62 = 59,230.44/x - Step 3: Cross multiply
138,167.40x = 207,250.62 × 59,230.44 - Step 4: Simplify right side
138,167.40x = 12,275,545,412.87 - Step 5: Solve for x
x = 12,275,545,412.87/138,167.40 - Step 6: Final answer
x = 88,845.45
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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.