Finding the Fourth Proportional to 131,454.60, 197,201.70 and 48,342.12
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Solution
The fourth proportional to 131,454.60, 197,201.70 and 48,342.12 is: 72,520.46
Step by Step Solution
- Step 1: Write the proportion equation
131,454.60 : 197,201.70 = 48,342.12 : x - Step 2: Convert to fraction form
131,454.60/197,201.70 = 48,342.12/x - Step 3: Cross multiply
131,454.60x = 197,201.70 × 48,342.12 - Step 4: Simplify right side
131,454.60x = 9,533,148,245.60 - Step 5: Solve for x
x = 9,533,148,245.60/131,454.60 - Step 6: Final answer
x = 72,520.46
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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.