Finding the Fourth Proportional to 792,485.49, 1,188,724.14 and 193,449.81
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Solution
The fourth proportional to 792,485.49, 1,188,724.14 and 193,449.81 is: 290,173.72
Step by Step Solution
- Step 1: Write the proportion equation
792,485.49 : 1,188,724.14 = 193,449.81 : x - Step 2: Convert to fraction form
792,485.49/1,188,724.14 = 193,449.81/x - Step 3: Cross multiply
792,485.49x = 1,188,724.14 × 193,449.81 - Step 4: Simplify right side
792,485.49x = 229,958,459,025.41 - Step 5: Solve for x
x = 229,958,459,025.41/792,485.49 - Step 6: Final answer
x = 290,173.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.