Finding the Fourth Proportional to 126,447.22, 189,699.08 and 47,562.14
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Solution
The fourth proportional to 126,447.22, 189,699.08 and 47,562.14 is: 71,353.84
Step by Step Solution
- Step 1: Write the proportion equation
126,447.22 : 189,699.08 = 47,562.14 : x - Step 2: Convert to fraction form
126,447.22/189,699.08 = 47,562.14/x - Step 3: Cross multiply
126,447.22x = 189,699.08 × 47,562.14 - Step 4: Simplify right side
126,447.22x = 9,022,494,200.83 - Step 5: Solve for x
x = 9,022,494,200.83/126,447.22 - Step 6: Final answer
x = 71,353.84
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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.