Finding the Fourth Proportional to 356,855.63, 492,415.81 and 195,668.26
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Solution
The fourth proportional to 356,855.63, 492,415.81 and 195,668.26 is: 269,997.55
Step by Step Solution
- Step 1: Write the proportion equation
356,855.63 : 492,415.81 = 195,668.26 : x - Step 2: Convert to fraction form
356,855.63/492,415.81 = 195,668.26/x - Step 3: Cross multiply
356,855.63x = 492,415.81 × 195,668.26 - Step 4: Simplify right side
356,855.63x = 96,350,143,018.98 - Step 5: Solve for x
x = 96,350,143,018.98/356,855.63 - Step 6: Final answer
x = 269,997.55
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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.