Finding the Fourth Proportional to 216,845.94, 299,248.92 and 121,361.52
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Solution
The fourth proportional to 216,845.94, 299,248.92 and 121,361.52 is: 167,479.75
Step by Step Solution
- Step 1: Write the proportion equation
216,845.94 : 299,248.92 = 121,361.52 : x - Step 2: Convert to fraction form
216,845.94/299,248.92 = 121,361.52/x - Step 3: Cross multiply
216,845.94x = 299,248.92 × 121,361.52 - Step 4: Simplify right side
216,845.94x = 36,317,303,789.56 - Step 5: Solve for x
x = 36,317,303,789.56/216,845.94 - Step 6: Final answer
x = 167,479.75
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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.