Finding the Fourth Proportional to 818,026.68, 1,227,163.86 and 257,008.44
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Solution
The fourth proportional to 818,026.68, 1,227,163.86 and 257,008.44 is: 385,551.57
Step by Step Solution
- Step 1: Write the proportion equation
818,026.68 : 1,227,163.86 = 257,008.44 : x - Step 2: Convert to fraction form
818,026.68/1,227,163.86 = 257,008.44/x - Step 3: Cross multiply
818,026.68x = 1,227,163.86 × 257,008.44 - Step 4: Simplify right side
818,026.68x = 315,391,469,282.98 - Step 5: Solve for x
x = 315,391,469,282.98/818,026.68 - Step 6: Final answer
x = 385,551.57
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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.