Finding the Fourth Proportional to 306,054.07, 422,394.04 and 171,943.99
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Solution
The fourth proportional to 306,054.07, 422,394.04 and 171,943.99 is: 237,304.85
Step by Step Solution
- Step 1: Write the proportion equation
306,054.07 : 422,394.04 = 171,943.99 : x - Step 2: Convert to fraction form
306,054.07/422,394.04 = 171,943.99/x - Step 3: Cross multiply
306,054.07x = 422,394.04 × 171,943.99 - Step 4: Simplify right side
306,054.07x = 72,628,116,589.82 - Step 5: Solve for x
x = 72,628,116,589.82/306,054.07 - Step 6: Final answer
x = 237,304.85
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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.