Finding the Fourth Proportional to 102,245.10, 153,343.80 and 39,042.02
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Solution
The fourth proportional to 102,245.10, 153,343.80 and 39,042.02 is: 58,553.92
Step by Step Solution
- Step 1: Write the proportion equation
102,245.10 : 153,343.80 = 39,042.02 : x - Step 2: Convert to fraction form
102,245.10/153,343.80 = 39,042.02/x - Step 3: Cross multiply
102,245.10x = 153,343.80 × 39,042.02 - Step 4: Simplify right side
102,245.10x = 5,986,851,706.48 - Step 5: Solve for x
x = 5,986,851,706.48/102,245.10 - Step 6: Final answer
x = 58,553.92
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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.