Finding the Fourth Proportional to 269,331.72, 403,873.36 and 79,724.28
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Solution
The fourth proportional to 269,331.72, 403,873.36 and 79,724.28 is: 119,549.65
Step by Step Solution
- Step 1: Write the proportion equation
269,331.72 : 403,873.36 = 79,724.28 : x - Step 2: Convert to fraction form
269,331.72/403,873.36 = 79,724.28/x - Step 3: Cross multiply
269,331.72x = 403,873.36 × 79,724.28 - Step 4: Simplify right side
269,331.72x = 32,198,512,837.18 - Step 5: Solve for x
x = 32,198,512,837.18/269,331.72 - Step 6: Final answer
x = 119,549.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.