Finding the Fourth Proportional to 269,006.19, 402,984.35 and 209,563.53
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Solution
The fourth proportional to 269,006.19, 402,984.35 and 209,563.53 is: 313,936.35
Step by Step Solution
- Step 1: Write the proportion equation
269,006.19 : 402,984.35 = 209,563.53 : x - Step 2: Convert to fraction form
269,006.19/402,984.35 = 209,563.53/x - Step 3: Cross multiply
269,006.19x = 402,984.35 × 209,563.53 - Step 4: Simplify right side
269,006.19x = 84,450,821,872.94 - Step 5: Solve for x
x = 84,450,821,872.94/269,006.19 - Step 6: Final answer
x = 313,936.35
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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.