Finding the Fourth Proportional to 327,522.29, 491,280.69 and 90,864.99
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Solution
The fourth proportional to 327,522.29, 491,280.69 and 90,864.99 is: 136,296.73
Step by Step Solution
- Step 1: Write the proportion equation
327,522.29 : 491,280.69 = 90,864.99 : x - Step 2: Convert to fraction form
327,522.29/491,280.69 = 90,864.99/x - Step 3: Cross multiply
327,522.29x = 491,280.69 × 90,864.99 - Step 4: Simplify right side
327,522.29x = 44,640,215,324.79 - Step 5: Solve for x
x = 44,640,215,324.79/327,522.29 - Step 6: Final answer
x = 136,296.73
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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.