Finding the Fourth Proportional to 451,967.29, 623,713.14 and 248,021.62
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Solution
The fourth proportional to 451,967.29, 623,713.14 and 248,021.62 is: 342,268.89
Step by Step Solution
- Step 1: Write the proportion equation
451,967.29 : 623,713.14 = 248,021.62 : x - Step 2: Convert to fraction form
451,967.29/623,713.14 = 248,021.62/x - Step 3: Cross multiply
451,967.29x = 623,713.14 × 248,021.62 - Step 4: Simplify right side
451,967.29x = 154,694,343,398.09 - Step 5: Solve for x
x = 154,694,343,398.09/451,967.29 - Step 6: Final answer
x = 342,268.89
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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.