Finding the Fourth Proportional to 436,096.70, 609,135.70 and 436,096.70
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Solution
The fourth proportional to 436,096.70, 609,135.70 and 436,096.70 is: 609,135.70
Step by Step Solution
- Step 1: Write the proportion equation
436,096.70 : 609,135.70 = 436,096.70 : x - Step 2: Convert to fraction form
436,096.70/609,135.70 = 436,096.70/x - Step 3: Cross multiply
436,096.70x = 609,135.70 × 436,096.70 - Step 4: Simplify right side
436,096.70x = 265,642,068,622.19 - Step 5: Solve for x
x = 265,642,068,622.19/436,096.70 - Step 6: Final answer
x = 609,135.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.