Finding the Fourth Proportional to 115,511.76, 173,237.04 and 45,391.68
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Solution
The fourth proportional to 115,511.76, 173,237.04 and 45,391.68 is: 68,075.50
Step by Step Solution
- Step 1: Write the proportion equation
115,511.76 : 173,237.04 = 45,391.68 : x - Step 2: Convert to fraction form
115,511.76/173,237.04 = 45,391.68/x - Step 3: Cross multiply
115,511.76x = 173,237.04 × 45,391.68 - Step 4: Simplify right side
115,511.76x = 7,863,520,283.83 - Step 5: Solve for x
x = 7,863,520,283.83/115,511.76 - Step 6: Final answer
x = 68,075.50
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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.