Finding the Fourth Proportional to 167,419.80, 251,129.70 and 56,611.80
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Solution
The fourth proportional to 167,419.80, 251,129.70 and 56,611.80 is: 84,917.70
Step by Step Solution
- Step 1: Write the proportion equation
167,419.80 : 251,129.70 = 56,611.80 : x - Step 2: Convert to fraction form
167,419.80/251,129.70 = 56,611.80/x - Step 3: Cross multiply
167,419.80x = 251,129.70 × 56,611.80 - Step 4: Simplify right side
167,419.80x = 14,216,904,350.46 - Step 5: Solve for x
x = 14,216,904,350.46/167,419.80 - Step 6: Final answer
x = 84,917.70
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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.