Finding the Fourth Proportional to 409,780.44, 565,571.70 and 237,808.44
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Solution
The fourth proportional to 409,780.44, 565,571.70 and 237,808.44 is: 328,218.99
Step by Step Solution
- Step 1: Write the proportion equation
409,780.44 : 565,571.70 = 237,808.44 : x - Step 2: Convert to fraction form
409,780.44/565,571.70 = 237,808.44/x - Step 3: Cross multiply
409,780.44x = 565,571.70 × 237,808.44 - Step 4: Simplify right side
409,780.44x = 134,497,723,685.15 - Step 5: Solve for x
x = 134,497,723,685.15/409,780.44 - Step 6: Final answer
x = 328,218.99
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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.