Finding the Fourth Proportional to 426,450.88, 639,471.84 and 201,623.68
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Solution
The fourth proportional to 426,450.88, 639,471.84 and 201,623.68 is: 302,338.84
Step by Step Solution
- Step 1: Write the proportion equation
426,450.88 : 639,471.84 = 201,623.68 : x - Step 2: Convert to fraction form
426,450.88/639,471.84 = 201,623.68/x - Step 3: Cross multiply
426,450.88x = 639,471.84 × 201,623.68 - Step 4: Simplify right side
426,450.88x = 128,932,665,637.17 - Step 5: Solve for x
x = 128,932,665,637.17/426,450.88 - Step 6: Final answer
x = 302,338.84
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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.