Finding the Fourth Proportional to 126,270.09, 189,349.71 and 47,328.96
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Solution
The fourth proportional to 126,270.09, 189,349.71 and 47,328.96 is: 70,972.67
Step by Step Solution
- Step 1: Write the proportion equation
126,270.09 : 189,349.71 = 47,328.96 : x - Step 2: Convert to fraction form
126,270.09/189,349.71 = 47,328.96/x - Step 3: Cross multiply
126,270.09x = 189,349.71 × 47,328.96 - Step 4: Simplify right side
126,270.09x = 8,961,724,850.60 - Step 5: Solve for x
x = 8,961,724,850.60/126,270.09 - Step 6: Final answer
x = 70,972.67
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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.