Finding the Fourth Proportional to 126,858.02, 190,324.40 and 38,125.06
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Solution
The fourth proportional to 126,858.02, 190,324.40 and 38,125.06 is: 57,198.82
Step by Step Solution
- Step 1: Write the proportion equation
126,858.02 : 190,324.40 = 38,125.06 : x - Step 2: Convert to fraction form
126,858.02/190,324.40 = 38,125.06/x - Step 3: Cross multiply
126,858.02x = 190,324.40 × 38,125.06 - Step 4: Simplify right side
126,858.02x = 7,256,129,169.46 - Step 5: Solve for x
x = 7,256,129,169.46/126,858.02 - Step 6: Final answer
x = 57,198.82
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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.