Finding the Fourth Proportional to 270,655.71, 405,174.70 and 163,716.03
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Solution
The fourth proportional to 270,655.71, 405,174.70 and 163,716.03 is: 245,084.77
Step by Step Solution
- Step 1: Write the proportion equation
270,655.71 : 405,174.70 = 163,716.03 : x - Step 2: Convert to fraction form
270,655.71/405,174.70 = 163,716.03/x - Step 3: Cross multiply
270,655.71x = 405,174.70 × 163,716.03 - Step 4: Simplify right side
270,655.71x = 66,333,593,340.44 - Step 5: Solve for x
x = 66,333,593,340.44/270,655.71 - Step 6: Final answer
x = 245,084.77
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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.