Finding the Fourth Proportional to 133,042.80, 199,497.60 and 44,265.36
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Solution
The fourth proportional to 133,042.80, 199,497.60 and 44,265.36 is: 66,375.88
Step by Step Solution
- Step 1: Write the proportion equation
133,042.80 : 199,497.60 = 44,265.36 : x - Step 2: Convert to fraction form
133,042.80/199,497.60 = 44,265.36/x - Step 3: Cross multiply
133,042.80x = 199,497.60 × 44,265.36 - Step 4: Simplify right side
133,042.80x = 8,830,833,083.14 - Step 5: Solve for x
x = 8,830,833,083.14/133,042.80 - Step 6: Final answer
x = 66,375.88
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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.