Finding the Fourth Proportional to 327,639.36, 491,459.24 and 90,982.06
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Solution
The fourth proportional to 327,639.36, 491,459.24 and 90,982.06 is: 136,473.15
Step by Step Solution
- Step 1: Write the proportion equation
327,639.36 : 491,459.24 = 90,982.06 : x - Step 2: Convert to fraction form
327,639.36/491,459.24 = 90,982.06/x - Step 3: Cross multiply
327,639.36x = 491,459.24 × 90,982.06 - Step 4: Simplify right side
327,639.36x = 44,713,974,061.23 - Step 5: Solve for x
x = 44,713,974,061.23/327,639.36 - Step 6: Final answer
x = 136,473.15
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1.5x scale
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.