Finding the Fourth Proportional to 126,221.92, 189,199.98 and 41,959.47
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Solution
The fourth proportional to 126,221.92, 189,199.98 and 41,959.47 is: 62,895.02
Step by Step Solution
- Step 1: Write the proportion equation
126,221.92 : 189,199.98 = 41,959.47 : x - Step 2: Convert to fraction form
126,221.92/189,199.98 = 41,959.47/x - Step 3: Cross multiply
126,221.92x = 189,199.98 × 41,959.47 - Step 4: Simplify right side
126,221.92x = 7,938,730,944.31 - Step 5: Solve for x
x = 7,938,730,944.31/126,221.92 - Step 6: Final answer
x = 62,895.02
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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.