Finding the Fourth Proportional to 203,756.16, 305,634.36 and 70,636.44
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Solution
The fourth proportional to 203,756.16, 305,634.36 and 70,636.44 is: 105,954.70
Step by Step Solution
- Step 1: Write the proportion equation
203,756.16 : 305,634.36 = 70,636.44 : x - Step 2: Convert to fraction form
203,756.16/305,634.36 = 70,636.44/x - Step 3: Cross multiply
203,756.16x = 305,634.36 × 70,636.44 - Step 4: Simplify right side
203,756.16x = 21,588,923,132.08 - Step 5: Solve for x
x = 21,588,923,132.08/203,756.16 - Step 6: Final answer
x = 105,954.70
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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.