Finding the Fourth Proportional to 279,146.44, 418,657.56 and 79,463.08
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Solution
The fourth proportional to 279,146.44, 418,657.56 and 79,463.08 is: 119,176.94
Step by Step Solution
- Step 1: Write the proportion equation
279,146.44 : 418,657.56 = 79,463.08 : x - Step 2: Convert to fraction form
279,146.44/418,657.56 = 79,463.08/x - Step 3: Cross multiply
279,146.44x = 418,657.56 × 79,463.08 - Step 4: Simplify right side
279,146.44x = 33,267,819,182.88 - Step 5: Solve for x
x = 33,267,819,182.88/279,146.44 - Step 6: Final answer
x = 119,176.94
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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.