Finding the Fourth Proportional to 818,192.88, 1,227,486.12 and 257,226.96
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Solution
The fourth proportional to 818,192.88, 1,227,486.12 and 257,226.96 is: 385,902.31
Step by Step Solution
- Step 1: Write the proportion equation
818,192.88 : 1,227,486.12 = 257,226.96 : x - Step 2: Convert to fraction form
818,192.88/1,227,486.12 = 257,226.96/x - Step 3: Cross multiply
818,192.88x = 1,227,486.12 × 257,226.96 - Step 4: Simplify right side
818,192.88x = 315,742,523,089.80 - Step 5: Solve for x
x = 315,742,523,089.80/818,192.88 - Step 6: Final answer
x = 385,902.31
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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.