Finding the Fourth Proportional to 121,632.21, 182,447.88 and 32,885.70
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Solution
The fourth proportional to 121,632.21, 182,447.88 and 32,885.70 is: 49,328.42
Step by Step Solution
- Step 1: Write the proportion equation
121,632.21 : 182,447.88 = 32,885.70 : x - Step 2: Convert to fraction form
121,632.21/182,447.88 = 32,885.70/x - Step 3: Cross multiply
121,632.21x = 182,447.88 × 32,885.70 - Step 4: Simplify right side
121,632.21x = 5,999,925,335.08 - Step 5: Solve for x
x = 5,999,925,335.08/121,632.21 - Step 6: Final answer
x = 49,328.42
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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.