Finding the Fourth Proportional to 459,405.75, 633,979.94 and 258,201.75
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Solution
The fourth proportional to 459,405.75, 633,979.94 and 258,201.75 is: 356,318.42
Step by Step Solution
- Step 1: Write the proportion equation
459,405.75 : 633,979.94 = 258,201.75 : x - Step 2: Convert to fraction form
459,405.75/633,979.94 = 258,201.75/x - Step 3: Cross multiply
459,405.75x = 633,979.94 × 258,201.75 - Step 4: Simplify right side
459,405.75x = 163,694,728,681.89 - Step 5: Solve for x
x = 163,694,728,681.89/459,405.75 - Step 6: Final answer
x = 356,318.42
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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.