Finding the Fourth Proportional to 415,803.78, 623,175.39 and 202,622.58
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Solution
The fourth proportional to 415,803.78, 623,175.39 and 202,622.58 is: 303,675.46
Step by Step Solution
- Step 1: Write the proportion equation
415,803.78 : 623,175.39 = 202,622.58 : x - Step 2: Convert to fraction form
415,803.78/623,175.39 = 202,622.58/x - Step 3: Cross multiply
415,803.78x = 623,175.39 × 202,622.58 - Step 4: Simplify right side
415,803.78x = 126,269,405,314.31 - Step 5: Solve for x
x = 126,269,405,314.31/415,803.78 - Step 6: Final answer
x = 303,675.46
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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.