Finding the Fourth Proportional to 279,066.92, 418,596.94 and 68,706.68
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Solution
The fourth proportional to 279,066.92, 418,596.94 and 68,706.68 is: 103,059.17
Step by Step Solution
- Step 1: Write the proportion equation
279,066.92 : 418,596.94 = 68,706.68 : x - Step 2: Convert to fraction form
279,066.92/418,596.94 = 68,706.68/x - Step 3: Cross multiply
279,066.92x = 418,596.94 × 68,706.68 - Step 4: Simplify right side
279,066.92x = 28,760,406,005.56 - Step 5: Solve for x
x = 28,760,406,005.56/279,066.92 - Step 6: Final answer
x = 103,059.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.