Finding the Fourth Proportional to 71,204.40, 106,816.20 and 24,471.60
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Solution
The fourth proportional to 71,204.40, 106,816.20 and 24,471.60 is: 36,710.70
Step by Step Solution
- Step 1: Write the proportion equation
71,204.40 : 106,816.20 = 24,471.60 : x - Step 2: Convert to fraction form
71,204.40/106,816.20 = 24,471.60/x - Step 3: Cross multiply
71,204.40x = 106,816.20 × 24,471.60 - Step 4: Simplify right side
71,204.40x = 2,613,963,319.92 - Step 5: Solve for x
x = 2,613,963,319.92/71,204.40 - Step 6: Final answer
x = 36,710.70
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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.