Finding the Fourth Proportional to 121,438.19, 182,169.43 and 37,197.38
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Solution
The fourth proportional to 121,438.19, 182,169.43 and 37,197.38 is: 55,799.79
Step by Step Solution
- Step 1: Write the proportion equation
121,438.19 : 182,169.43 = 37,197.38 : x - Step 2: Convert to fraction form
121,438.19/182,169.43 = 37,197.38/x - Step 3: Cross multiply
121,438.19x = 182,169.43 × 37,197.38 - Step 4: Simplify right side
121,438.19x = 6,776,224,954.44 - Step 5: Solve for x
x = 6,776,224,954.44/121,438.19 - Step 6: Final answer
x = 55,799.79
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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.