Finding the Fourth Proportional to 253,753.60, 380,113.68 and 120,229.12
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Solution
The fourth proportional to 253,753.60, 380,113.68 and 120,229.12 is: 180,098.86
Step by Step Solution
- Step 1: Write the proportion equation
253,753.60 : 380,113.68 = 120,229.12 : x - Step 2: Convert to fraction form
253,753.60/380,113.68 = 120,229.12/x - Step 3: Cross multiply
253,753.60x = 380,113.68 × 120,229.12 - Step 4: Simplify right side
253,753.60x = 45,700,733,246.36 - Step 5: Solve for x
x = 45,700,733,246.36/253,753.60 - Step 6: Final answer
x = 180,098.86
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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.