Finding the Fourth Proportional to 167,430.70, 251,146.05 and 100,836.55
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Solution
The fourth proportional to 167,430.70, 251,146.05 and 100,836.55 is: 151,254.83
Step by Step Solution
- Step 1: Write the proportion equation
167,430.70 : 251,146.05 = 100,836.55 : x - Step 2: Convert to fraction form
167,430.70/251,146.05 = 100,836.55/x - Step 3: Cross multiply
167,430.70x = 251,146.05 × 100,836.55 - Step 4: Simplify right side
167,430.70x = 25,324,701,228.13 - Step 5: Solve for x
x = 25,324,701,228.13/167,430.70 - Step 6: Final answer
x = 151,254.83
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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.