Finding the Fourth Proportional to 308,908.63, 426,167.22 and 187,952.95
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Solution
The fourth proportional to 308,908.63, 426,167.22 and 187,952.95 is: 259,297.99
Step by Step Solution
- Step 1: Write the proportion equation
308,908.63 : 426,167.22 = 187,952.95 : x - Step 2: Convert to fraction form
308,908.63/426,167.22 = 187,952.95/x - Step 3: Cross multiply
308,908.63x = 426,167.22 × 187,952.95 - Step 4: Simplify right side
308,908.63x = 80,099,386,192.30 - Step 5: Solve for x
x = 80,099,386,192.30/308,908.63 - Step 6: Final answer
x = 259,297.99
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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.