Finding the Fourth Proportional to 306,124.64, 422,427.71 and 170,147.92
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Solution
The fourth proportional to 306,124.64, 422,427.71 and 170,147.92 is: 234,790.62
Step by Step Solution
- Step 1: Write the proportion equation
306,124.64 : 422,427.71 = 170,147.92 : x - Step 2: Convert to fraction form
306,124.64/422,427.71 = 170,147.92/x - Step 3: Cross multiply
306,124.64x = 422,427.71 × 170,147.92 - Step 4: Simplify right side
306,124.64x = 71,875,193,243.99 - Step 5: Solve for x
x = 71,875,193,243.99/306,124.64 - Step 6: Final answer
x = 234,790.62
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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.