Finding the Fourth Proportional to 306,359.82, 422,746.94 and 177,272.55
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Solution
The fourth proportional to 306,359.82, 422,746.94 and 177,272.55 is: 244,618.98
Step by Step Solution
- Step 1: Write the proportion equation
306,359.82 : 422,746.94 = 177,272.55 : x - Step 2: Convert to fraction form
306,359.82/422,746.94 = 177,272.55/x - Step 3: Cross multiply
306,359.82x = 422,746.94 × 177,272.55 - Step 4: Simplify right side
306,359.82x = 74,941,427,172.13 - Step 5: Solve for x
x = 74,941,427,172.13/306,359.82 - Step 6: Final answer
x = 244,618.98
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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.