Finding the Fourth Proportional to 327,614.36, 491,421.74 and 90,957.06
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Solution
The fourth proportional to 327,614.36, 491,421.74 and 90,957.06 is: 136,435.65
Step by Step Solution
- Step 1: Write the proportion equation
327,614.36 : 491,421.74 = 90,957.06 : x - Step 2: Convert to fraction form
327,614.36/491,421.74 = 90,957.06/x - Step 3: Cross multiply
327,614.36x = 491,421.74 × 90,957.06 - Step 4: Simplify right side
327,614.36x = 44,698,276,235.70 - Step 5: Solve for x
x = 44,698,276,235.70/327,614.36 - Step 6: Final answer
x = 136,435.65
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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.