Finding the Fourth Proportional to 451,967.18, 623,712.99 and 248,021.48
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Solution
The fourth proportional to 451,967.18, 623,712.99 and 248,021.48 is: 342,268.70
Step by Step Solution
- Step 1: Write the proportion equation
451,967.18 : 623,712.99 = 248,021.48 : x - Step 2: Convert to fraction form
451,967.18/623,712.99 = 248,021.48/x - Step 3: Cross multiply
451,967.18x = 623,712.99 × 248,021.48 - Step 4: Simplify right side
451,967.18x = 154,694,218,875.03 - Step 5: Solve for x
x = 154,694,218,875.03/451,967.18 - Step 6: Final answer
x = 342,268.70
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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.