Finding the Fourth Proportional to 212,744.95, 293,584.23 and 115,949.68
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Solution
The fourth proportional to 212,744.95, 293,584.23 and 115,949.68 is: 160,008.49
Step by Step Solution
- Step 1: Write the proportion equation
212,744.95 : 293,584.23 = 115,949.68 : x - Step 2: Convert to fraction form
212,744.95/293,584.23 = 115,949.68/x - Step 3: Cross multiply
212,744.95x = 293,584.23 × 115,949.68 - Step 4: Simplify right side
212,744.95x = 34,040,997,521.55 - Step 5: Solve for x
x = 34,040,997,521.55/212,744.95 - Step 6: Final answer
x = 160,008.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.