Finding the Fourth Proportional to 127,615.98, 191,409.38 and 34,129.02
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Solution
The fourth proportional to 127,615.98, 191,409.38 and 34,129.02 is: 51,189.63
Step by Step Solution
- Step 1: Write the proportion equation
127,615.98 : 191,409.38 = 34,129.02 : x - Step 2: Convert to fraction form
127,615.98/191,409.38 = 34,129.02/x - Step 3: Cross multiply
127,615.98x = 191,409.38 × 34,129.02 - Step 4: Simplify right side
127,615.98x = 6,532,614,558.21 - Step 5: Solve for x
x = 6,532,614,558.21/127,615.98 - Step 6: Final answer
x = 51,189.63
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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.