Finding the Fourth Proportional to 137,583.81, 206,396.21 and 48,829.88
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Solution
The fourth proportional to 137,583.81, 206,396.21 and 48,829.88 is: 73,252.09
Step by Step Solution
- Step 1: Write the proportion equation
137,583.81 : 206,396.21 = 48,829.88 : x - Step 2: Convert to fraction form
137,583.81/206,396.21 = 48,829.88/x - Step 3: Cross multiply
137,583.81x = 206,396.21 × 48,829.88 - Step 4: Simplify right side
137,583.81x = 10,078,301,134.77 - Step 5: Solve for x
x = 10,078,301,134.77/137,583.81 - Step 6: Final answer
x = 73,252.09
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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.