Finding the Fourth Proportional to 548,643.92, 757,098.09 and 306,879.84
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Solution
The fourth proportional to 548,643.92, 757,098.09 and 306,879.84 is: 423,477.11
Step by Step Solution
- Step 1: Write the proportion equation
548,643.92 : 757,098.09 = 306,879.84 : x - Step 2: Convert to fraction form
548,643.92/757,098.09 = 306,879.84/x - Step 3: Cross multiply
548,643.92x = 757,098.09 × 306,879.84 - Step 4: Simplify right side
548,643.92x = 232,338,140,723.51 - Step 5: Solve for x
x = 232,338,140,723.51/548,643.92 - Step 6: Final answer
x = 423,477.11
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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.