Finding the Fourth Proportional to 216,874.44, 299,395.26 and 136,346.31
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Solution
The fourth proportional to 216,874.44, 299,395.26 and 136,346.31 is: 188,226.14
Step by Step Solution
- Step 1: Write the proportion equation
216,874.44 : 299,395.26 = 136,346.31 : x - Step 2: Convert to fraction form
216,874.44/299,395.26 = 136,346.31/x - Step 3: Cross multiply
216,874.44x = 299,395.26 × 136,346.31 - Step 4: Simplify right side
216,874.44x = 40,821,438,932.49 - Step 5: Solve for x
x = 40,821,438,932.49/216,874.44 - Step 6: Final answer
x = 188,226.14
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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.