Finding the Fourth Proportional to 279,026.73, 418,495.26 and 76,575.53
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Solution
The fourth proportional to 279,026.73, 418,495.26 and 76,575.53 is: 114,850.99
Step by Step Solution
- Step 1: Write the proportion equation
279,026.73 : 418,495.26 = 76,575.53 : x - Step 2: Convert to fraction form
279,026.73/418,495.26 = 76,575.53/x - Step 3: Cross multiply
279,026.73x = 418,495.26 × 76,575.53 - Step 4: Simplify right side
279,026.73x = 32,046,497,000.35 - Step 5: Solve for x
x = 32,046,497,000.35/279,026.73 - Step 6: Final answer
x = 114,850.99
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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.