Finding the Fourth Proportional to 441,007.80, 661,511.70 and 125,423.70
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Solution
The fourth proportional to 441,007.80, 661,511.70 and 125,423.70 is: 188,135.55
Step by Step Solution
- Step 1: Write the proportion equation
441,007.80 : 661,511.70 = 125,423.70 : x - Step 2: Convert to fraction form
441,007.80/661,511.70 = 125,423.70/x - Step 3: Cross multiply
441,007.80x = 661,511.70 × 125,423.70 - Step 4: Simplify right side
441,007.80x = 82,969,245,007.29 - Step 5: Solve for x
x = 82,969,245,007.29/441,007.80 - Step 6: Final answer
x = 188,135.55
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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.