Finding the Fourth Proportional to 167,358.21, 251,079.84 and 47,415.03
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Solution
The fourth proportional to 167,358.21, 251,079.84 and 47,415.03 is: 71,134.59
Step by Step Solution
- Step 1: Write the proportion equation
167,358.21 : 251,079.84 = 47,415.03 : x - Step 2: Convert to fraction form
167,358.21/251,079.84 = 47,415.03/x - Step 3: Cross multiply
167,358.21x = 251,079.84 × 47,415.03 - Step 4: Simplify right side
167,358.21x = 11,904,958,146.00 - Step 5: Solve for x
x = 11,904,958,146.00/167,358.21 - Step 6: Final answer
x = 71,134.59
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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.