Finding the Fourth Proportional to 134,170.04, 201,291.36 and 45,423.56
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Solution
The fourth proportional to 134,170.04, 201,291.36 and 45,423.56 is: 68,147.63
Step by Step Solution
- Step 1: Write the proportion equation
134,170.04 : 201,291.36 = 45,423.56 : x - Step 2: Convert to fraction form
134,170.04/201,291.36 = 45,423.56/x - Step 3: Cross multiply
134,170.04x = 201,291.36 × 45,423.56 - Step 4: Simplify right side
134,170.04x = 9,143,370,168.44 - Step 5: Solve for x
x = 9,143,370,168.44/134,170.04 - Step 6: Final answer
x = 68,147.63
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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.