Finding the Fourth Proportional to 121,438.75, 182,170.28 and 37,197.94
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Solution
The fourth proportional to 121,438.75, 182,170.28 and 37,197.94 is: 55,800.63
Step by Step Solution
- Step 1: Write the proportion equation
121,438.75 : 182,170.28 = 37,197.94 : x - Step 2: Convert to fraction form
121,438.75/182,170.28 = 37,197.94/x - Step 3: Cross multiply
121,438.75x = 182,170.28 × 37,197.94 - Step 4: Simplify right side
121,438.75x = 6,776,358,915.12 - Step 5: Solve for x
x = 6,776,358,915.12/121,438.75 - Step 6: Final answer
x = 55,800.63
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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.