Finding the Fourth Proportional to 451,968.42, 623,714.70 and 248,022.75
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Solution
The fourth proportional to 451,968.42, 623,714.70 and 248,022.75 is: 342,270.45
Step by Step Solution
- Step 1: Write the proportion equation
451,968.42 : 623,714.70 = 248,022.75 : x - Step 2: Convert to fraction form
451,968.42/623,714.70 = 248,022.75/x - Step 3: Cross multiply
451,968.42x = 623,714.70 × 248,022.75 - Step 4: Simplify right side
451,968.42x = 154,695,435,109.43 - Step 5: Solve for x
x = 154,695,435,109.43/451,968.42 - Step 6: Final answer
x = 342,270.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.