Finding the Fourth Proportional to 217,162.41, 299,692.37 and 121,665.84
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Solution
The fourth proportional to 217,162.41, 299,692.37 and 121,665.84 is: 167,903.48
Step by Step Solution
- Step 1: Write the proportion equation
217,162.41 : 299,692.37 = 121,665.84 : x - Step 2: Convert to fraction form
217,162.41/299,692.37 = 121,665.84/x - Step 3: Cross multiply
217,162.41x = 299,692.37 × 121,665.84 - Step 4: Simplify right side
217,162.41x = 36,462,323,329.31 - Step 5: Solve for x
x = 36,462,323,329.31/217,162.41 - Step 6: Final answer
x = 167,903.48
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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.