Finding the Fourth Proportional to 548,693.92, 757,190.80 and 306,975.68
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Solution
The fourth proportional to 548,693.92, 757,190.80 and 306,975.68 is: 423,622.63
Step by Step Solution
- Step 1: Write the proportion equation
548,693.92 : 757,190.80 = 306,975.68 : x - Step 2: Convert to fraction form
548,693.92/757,190.80 = 306,975.68/x - Step 3: Cross multiply
548,693.92x = 757,190.80 × 306,975.68 - Step 4: Simplify right side
548,693.92x = 232,439,160,719.74 - Step 5: Solve for x
x = 232,439,160,719.74/548,693.92 - Step 6: Final answer
x = 423,622.63
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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.