Finding the Fourth Proportional to 306,036.48, 422,332.68 and 170,083.18
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Solution
The fourth proportional to 306,036.48, 422,332.68 and 170,083.18 is: 234,716.09
Step by Step Solution
- Step 1: Write the proportion equation
306,036.48 : 422,332.68 = 170,083.18 : x - Step 2: Convert to fraction form
306,036.48/422,332.68 = 170,083.18/x - Step 3: Cross multiply
306,036.48x = 422,332.68 × 170,083.18 - Step 4: Simplify right side
306,036.48x = 71,831,685,232.32 - Step 5: Solve for x
x = 71,831,685,232.32/306,036.48 - Step 6: Final answer
x = 234,716.09
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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.