Finding the Fourth Proportional to 167,489.64, 251,170.14 and 67,615.08
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Solution
The fourth proportional to 167,489.64, 251,170.14 and 67,615.08 is: 101,396.65
Step by Step Solution
- Step 1: Write the proportion equation
167,489.64 : 251,170.14 = 67,615.08 : x - Step 2: Convert to fraction form
167,489.64/251,170.14 = 67,615.08/x - Step 3: Cross multiply
167,489.64x = 251,170.14 × 67,615.08 - Step 4: Simplify right side
167,489.64x = 16,982,889,109.71 - Step 5: Solve for x
x = 16,982,889,109.71/167,489.64 - Step 6: Final answer
x = 101,396.65
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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.