Finding the Fourth Proportional to 548,735.12, 757,218.84 and 306,975.92
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Solution
The fourth proportional to 548,735.12, 757,218.84 and 306,975.92 is: 423,606.84
Step by Step Solution
- Step 1: Write the proportion equation
548,735.12 : 757,218.84 = 306,975.92 : x - Step 2: Convert to fraction form
548,735.12/757,218.84 = 306,975.92/x - Step 3: Cross multiply
548,735.12x = 757,218.84 × 306,975.92 - Step 4: Simplify right side
548,735.12x = 232,447,950,050.33 - Step 5: Solve for x
x = 232,447,950,050.33/548,735.12 - Step 6: Final answer
x = 423,606.84
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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.