Finding the Fourth Proportional to 100,961.87, 151,445.14 and 48,313.49
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Solution
The fourth proportional to 100,961.87, 151,445.14 and 48,313.49 is: 72,471.35
Step by Step Solution
- Step 1: Write the proportion equation
100,961.87 : 151,445.14 = 48,313.49 : x - Step 2: Convert to fraction form
100,961.87/151,445.14 = 48,313.49/x - Step 3: Cross multiply
100,961.87x = 151,445.14 × 48,313.49 - Step 4: Simplify right side
100,961.87x = 7,316,842,378.93 - Step 5: Solve for x
x = 7,316,842,378.93/100,961.87 - Step 6: Final answer
x = 72,471.35
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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.