Finding the Fourth Proportional to 131,501.99, 197,258.85 and 40,310.68
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Solution
The fourth proportional to 131,501.99, 197,258.85 and 40,310.68 is: 60,467.82
Step by Step Solution
- Step 1: Write the proportion equation
131,501.99 : 197,258.85 = 40,310.68 : x - Step 2: Convert to fraction form
131,501.99/197,258.85 = 40,310.68/x - Step 3: Cross multiply
131,501.99x = 197,258.85 × 40,310.68 - Step 4: Simplify right side
131,501.99x = 7,951,638,379.52 - Step 5: Solve for x
x = 7,951,638,379.52/131,501.99 - Step 6: Final answer
x = 60,467.82
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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.