Finding the Fourth Proportional to 451,968.72, 623,715.10 and 248,023.08
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Solution
The fourth proportional to 451,968.72, 623,715.10 and 248,023.08 is: 342,270.90
Step by Step Solution
- Step 1: Write the proportion equation
451,968.72 : 623,715.10 = 248,023.08 : x - Step 2: Convert to fraction form
451,968.72/623,715.10 = 248,023.08/x - Step 3: Cross multiply
451,968.72x = 623,715.10 × 248,023.08 - Step 4: Simplify right side
451,968.72x = 154,695,740,144.51 - Step 5: Solve for x
x = 154,695,740,144.51/451,968.72 - Step 6: Final answer
x = 342,270.90
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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.