Finding the Fourth Proportional to 240,171.53, 331,453.87 and 132,739.26
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Solution
The fourth proportional to 240,171.53, 331,453.87 and 132,739.26 is: 183,189.66
Step by Step Solution
- Step 1: Write the proportion equation
240,171.53 : 331,453.87 = 132,739.26 : x - Step 2: Convert to fraction form
240,171.53/331,453.87 = 132,739.26/x - Step 3: Cross multiply
240,171.53x = 331,453.87 × 132,739.26 - Step 4: Simplify right side
240,171.53x = 43,996,941,427.94 - Step 5: Solve for x
x = 43,996,941,427.94/240,171.53 - Step 6: Final answer
x = 183,189.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.