Finding the Fourth Proportional to 201,233.51, 277,641.62 and 120,631.63
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Solution
The fourth proportional to 201,233.51, 277,641.62 and 120,631.63 is: 166,435.31
Step by Step Solution
- Step 1: Write the proportion equation
201,233.51 : 277,641.62 = 120,631.63 : x - Step 2: Convert to fraction form
201,233.51/277,641.62 = 120,631.63/x - Step 3: Cross multiply
201,233.51x = 277,641.62 × 120,631.63 - Step 4: Simplify right side
201,233.51x = 33,492,361,530.68 - Step 5: Solve for x
x = 33,492,361,530.68/201,233.51 - Step 6: Final answer
x = 166,435.31
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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.