Finding the Fourth Proportional to 548,693.33, 757,226.21 and 306,961.49
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Solution
The fourth proportional to 548,693.33, 757,226.21 and 306,961.49 is: 423,623.31
Step by Step Solution
- Step 1: Write the proportion equation
548,693.33 : 757,226.21 = 306,961.49 : x - Step 2: Convert to fraction form
548,693.33/757,226.21 = 306,961.49/x - Step 3: Cross multiply
548,693.33x = 757,226.21 × 306,961.49 - Step 4: Simplify right side
548,693.33x = 232,439,285,688.65 - Step 5: Solve for x
x = 232,439,285,688.65/548,693.33 - Step 6: Final answer
x = 423,623.31
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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.