Finding the Fourth Proportional to 126,177.93, 189,211.50 and 47,236.80
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Solution
The fourth proportional to 126,177.93, 189,211.50 and 47,236.80 is: 70,834.46
Step by Step Solution
- Step 1: Write the proportion equation
126,177.93 : 189,211.50 = 47,236.80 : x - Step 2: Convert to fraction form
126,177.93/189,211.50 = 47,236.80/x - Step 3: Cross multiply
126,177.93x = 189,211.50 × 47,236.80 - Step 4: Simplify right side
126,177.93x = 8,937,745,783.20 - Step 5: Solve for x
x = 8,937,745,783.20/126,177.93 - Step 6: Final answer
x = 70,834.46
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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.