Finding the Fourth Proportional to 216,675.18, 299,039.94 and 121,201.68
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Solution
The fourth proportional to 216,675.18, 299,039.94 and 121,201.68 is: 167,274.09
Step by Step Solution
- Step 1: Write the proportion equation
216,675.18 : 299,039.94 = 121,201.68 : x - Step 2: Convert to fraction form
216,675.18/299,039.94 = 121,201.68/x - Step 3: Cross multiply
216,675.18x = 299,039.94 × 121,201.68 - Step 4: Simplify right side
216,675.18x = 36,244,143,115.10 - Step 5: Solve for x
x = 36,244,143,115.10/216,675.18 - Step 6: Final answer
x = 167,274.09
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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.