Finding the Fourth Proportional to 144,530.44, 216,808.62 and 39,349.96
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Solution
The fourth proportional to 144,530.44, 216,808.62 and 39,349.96 is: 59,028.47
Step by Step Solution
- Step 1: Write the proportion equation
144,530.44 : 216,808.62 = 39,349.96 : x - Step 2: Convert to fraction form
144,530.44/216,808.62 = 39,349.96/x - Step 3: Cross multiply
144,530.44x = 216,808.62 × 39,349.96 - Step 4: Simplify right side
144,530.44x = 8,531,410,524.66 - Step 5: Solve for x
x = 8,531,410,524.66/144,530.44 - Step 6: Final answer
x = 59,028.47
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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.