Finding the Fourth Proportional to 102,163.20, 153,244.80 and 102,163.20
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Solution
The fourth proportional to 102,163.20, 153,244.80 and 102,163.20 is: 153,244.80
Step by Step Solution
- Step 1: Write the proportion equation
102,163.20 : 153,244.80 = 102,163.20 : x - Step 2: Convert to fraction form
102,163.20/153,244.80 = 102,163.20/x - Step 3: Cross multiply
102,163.20x = 153,244.80 × 102,163.20 - Step 4: Simplify right side
102,163.20x = 15,655,979,151.36 - Step 5: Solve for x
x = 15,655,979,151.36/102,163.20 - Step 6: Final answer
x = 153,244.80
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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.