Finding the Fourth Proportional to 186,783.92, 257,764.70 and 101,900.99
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Solution
The fourth proportional to 186,783.92, 257,764.70 and 101,900.99 is: 140,624.94
Step by Step Solution
- Step 1: Write the proportion equation
186,783.92 : 257,764.70 = 101,900.99 : x - Step 2: Convert to fraction form
186,783.92/257,764.70 = 101,900.99/x - Step 3: Cross multiply
186,783.92x = 257,764.70 × 101,900.99 - Step 4: Simplify right side
186,783.92x = 26,266,477,082.98 - Step 5: Solve for x
x = 26,266,477,082.98/186,783.92 - Step 6: Final answer
x = 140,624.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.