Finding the Fourth Proportional to 134,121.92, 201,213.99 and 39,348.27
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Solution
The fourth proportional to 134,121.92, 201,213.99 and 39,348.27 is: 59,031.53
Step by Step Solution
- Step 1: Write the proportion equation
134,121.92 : 201,213.99 = 39,348.27 : x - Step 2: Convert to fraction form
134,121.92/201,213.99 = 39,348.27/x - Step 3: Cross multiply
134,121.92x = 201,213.99 × 39,348.27 - Step 4: Simplify right side
134,121.92x = 7,917,422,406.30 - Step 5: Solve for x
x = 7,917,422,406.30/134,121.92 - Step 6: Final answer
x = 59,031.53
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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.