Finding the Fourth Proportional to 237,399.80, 327,615.63 and 129,968.06
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Solution
The fourth proportional to 237,399.80, 327,615.63 and 129,968.06 is: 179,358.06
Step by Step Solution
- Step 1: Write the proportion equation
237,399.80 : 327,615.63 = 129,968.06 : x - Step 2: Convert to fraction form
237,399.80/327,615.63 = 129,968.06/x - Step 3: Cross multiply
237,399.80x = 327,615.63 × 129,968.06 - Step 4: Simplify right side
237,399.80x = 42,579,567,856.78 - Step 5: Solve for x
x = 42,579,567,856.78/237,399.80 - Step 6: Final answer
x = 179,358.06
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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.