Finding the Fourth Proportional to 279,069.62, 418,358.66 and 110,708.19
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Solution
The fourth proportional to 279,069.62, 418,358.66 and 110,708.19 is: 165,964.79
Step by Step Solution
- Step 1: Write the proportion equation
279,069.62 : 418,358.66 = 110,708.19 : x - Step 2: Convert to fraction form
279,069.62/418,358.66 = 110,708.19/x - Step 3: Cross multiply
279,069.62x = 418,358.66 × 110,708.19 - Step 4: Simplify right side
279,069.62x = 46,315,729,465.88 - Step 5: Solve for x
x = 46,315,729,465.88/279,069.62 - Step 6: Final answer
x = 165,964.79
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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.