Finding the Fourth Proportional to 237,349.74, 327,542.40 and 129,918.81
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Solution
The fourth proportional to 237,349.74, 327,542.40 and 129,918.81 is: 179,287.83
Step by Step Solution
- Step 1: Write the proportion equation
237,349.74 : 327,542.40 = 129,918.81 : x - Step 2: Convert to fraction form
237,349.74/327,542.40 = 129,918.81/x - Step 3: Cross multiply
237,349.74x = 327,542.40 × 129,918.81 - Step 4: Simplify right side
237,349.74x = 42,553,918,832.54 - Step 5: Solve for x
x = 42,553,918,832.54/237,349.74 - Step 6: Final answer
x = 179,287.83
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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.