Finding the Fourth Proportional to 327,443.30, 491,164.98 and 90,785.99
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Solution
The fourth proportional to 327,443.30, 491,164.98 and 90,785.99 is: 136,179.00
Step by Step Solution
- Step 1: Write the proportion equation
327,443.30 : 491,164.98 = 90,785.99 : x - Step 2: Convert to fraction form
327,443.30/491,164.98 = 90,785.99/x - Step 3: Cross multiply
327,443.30x = 491,164.98 × 90,785.99 - Step 4: Simplify right side
327,443.30x = 44,590,900,190.54 - Step 5: Solve for x
x = 44,590,900,190.54/327,443.30 - Step 6: Final answer
x = 136,179.00
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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.