Finding the Fourth Proportional to 203,744.16, 305,616.36 and 70,624.44
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Solution
The fourth proportional to 203,744.16, 305,616.36 and 70,624.44 is: 105,936.70
Step by Step Solution
- Step 1: Write the proportion equation
203,744.16 : 305,616.36 = 70,624.44 : x - Step 2: Convert to fraction form
203,744.16/305,616.36 = 70,624.44/x - Step 3: Cross multiply
203,744.16x = 305,616.36 × 70,624.44 - Step 4: Simplify right side
203,744.16x = 21,583,984,279.84 - Step 5: Solve for x
x = 21,583,984,279.84/203,744.16 - Step 6: Final answer
x = 105,936.70
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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.