Finding the Fourth Proportional to 144,907.76, 216,306.09 and 134,223.08
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Solution
The fourth proportional to 144,907.76, 216,306.09 and 134,223.08 is: 200,356.90
Step by Step Solution
- Step 1: Write the proportion equation
144,907.76 : 216,306.09 = 134,223.08 : x - Step 2: Convert to fraction form
144,907.76/216,306.09 = 134,223.08/x - Step 3: Cross multiply
144,907.76x = 216,306.09 × 134,223.08 - Step 4: Simplify right side
144,907.76x = 29,033,269,622.56 - Step 5: Solve for x
x = 29,033,269,622.56/144,907.76 - Step 6: Final answer
x = 200,356.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.