Finding the Fourth Proportional to 327,871.50, 491,478.93 and 127,916.79
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Solution
The fourth proportional to 327,871.50, 491,478.93 and 127,916.79 is: 191,747.09
Step by Step Solution
- Step 1: Write the proportion equation
327,871.50 : 491,478.93 = 127,916.79 : x - Step 2: Convert to fraction form
327,871.50/491,478.93 = 127,916.79/x - Step 3: Cross multiply
327,871.50x = 491,478.93 × 127,916.79 - Step 4: Simplify right side
327,871.50x = 62,868,407,078.23 - Step 5: Solve for x
x = 62,868,407,078.23/327,871.50 - Step 6: Final answer
x = 191,747.09
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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.