Finding the Fourth Proportional to 240,581.63, 332,090.13 and 139,979.63
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Solution
The fourth proportional to 240,581.63, 332,090.13 and 139,979.63 is: 193,222.79
Step by Step Solution
- Step 1: Write the proportion equation
240,581.63 : 332,090.13 = 139,979.63 : x - Step 2: Convert to fraction form
240,581.63/332,090.13 = 139,979.63/x - Step 3: Cross multiply
240,581.63x = 332,090.13 × 139,979.63 - Step 4: Simplify right side
240,581.63x = 46,485,851,863.60 - Step 5: Solve for x
x = 46,485,851,863.60/240,581.63 - Step 6: Final answer
x = 193,222.79
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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.