Finding the Fourth Proportional to 121,638.73, 182,475.57 and 37,405.99
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Solution
The fourth proportional to 121,638.73, 182,475.57 and 37,405.99 is: 56,114.36
Step by Step Solution
- Step 1: Write the proportion equation
121,638.73 : 182,475.57 = 37,405.99 : x - Step 2: Convert to fraction form
121,638.73/182,475.57 = 37,405.99/x - Step 3: Cross multiply
121,638.73x = 182,475.57 × 37,405.99 - Step 4: Simplify right side
121,638.73x = 6,825,679,346.66 - Step 5: Solve for x
x = 6,825,679,346.66/121,638.73 - Step 6: Final answer
x = 56,114.36
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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.