Finding the Fourth Proportional to 134,615.28, 201,922.92 and 45,823.08
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Solution
The fourth proportional to 134,615.28, 201,922.92 and 45,823.08 is: 68,734.62
Step by Step Solution
- Step 1: Write the proportion equation
134,615.28 : 201,922.92 = 45,823.08 : x - Step 2: Convert to fraction form
134,615.28/201,922.92 = 45,823.08/x - Step 3: Cross multiply
134,615.28x = 201,922.92 × 45,823.08 - Step 4: Simplify right side
134,615.28x = 9,252,730,116.99 - Step 5: Solve for x
x = 9,252,730,116.99/134,615.28 - Step 6: Final answer
x = 68,734.62
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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.