Finding the Fourth Proportional to 201,703.30, 302,554.95 and 138,717.70
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Solution
The fourth proportional to 201,703.30, 302,554.95 and 138,717.70 is: 208,076.55
Step by Step Solution
- Step 1: Write the proportion equation
201,703.30 : 302,554.95 = 138,717.70 : x - Step 2: Convert to fraction form
201,703.30/302,554.95 = 138,717.70/x - Step 3: Cross multiply
201,703.30x = 302,554.95 × 138,717.70 - Step 4: Simplify right side
201,703.30x = 41,969,726,787.62 - Step 5: Solve for x
x = 41,969,726,787.62/201,703.30 - Step 6: Final answer
x = 208,076.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.