Finding the Fourth Proportional to 71,194.40, 106,801.20 and 24,461.60
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Solution
The fourth proportional to 71,194.40, 106,801.20 and 24,461.60 is: 36,695.70
Step by Step Solution
- Step 1: Write the proportion equation
71,194.40 : 106,801.20 = 24,461.60 : x - Step 2: Convert to fraction form
71,194.40/106,801.20 = 24,461.60/x - Step 3: Cross multiply
71,194.40x = 106,801.20 × 24,461.60 - Step 4: Simplify right side
71,194.40x = 2,612,528,233.92 - Step 5: Solve for x
x = 2,612,528,233.92/71,194.40 - Step 6: Final answer
x = 36,695.70
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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.