Finding the Fourth Proportional to 216,680.52, 299,032.95 and 121,187.94
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Solution
The fourth proportional to 216,680.52, 299,032.95 and 121,187.94 is: 167,247.09
Step by Step Solution
- Step 1: Write the proportion equation
216,680.52 : 299,032.95 = 121,187.94 : x - Step 2: Convert to fraction form
216,680.52/299,032.95 = 121,187.94/x - Step 3: Cross multiply
216,680.52x = 299,032.95 × 121,187.94 - Step 4: Simplify right side
216,680.52x = 36,239,187,202.62 - Step 5: Solve for x
x = 36,239,187,202.62/216,680.52 - Step 6: Final answer
x = 167,247.09
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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.