Finding the Fourth Proportional to 188,467.80, 282,701.70 and 83,491.80
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Solution
The fourth proportional to 188,467.80, 282,701.70 and 83,491.80 is: 125,237.70
Step by Step Solution
- Step 1: Write the proportion equation
188,467.80 : 282,701.70 = 83,491.80 : x - Step 2: Convert to fraction form
188,467.80/282,701.70 = 83,491.80/x - Step 3: Cross multiply
188,467.80x = 282,701.70 × 83,491.80 - Step 4: Simplify right side
188,467.80x = 23,603,273,796.06 - Step 5: Solve for x
x = 23,603,273,796.06/188,467.80 - Step 6: Final answer
x = 125,237.70
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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.