Finding the Fourth Proportional to 171,554.21, 236,711.00 and 107,855.00
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Solution
The fourth proportional to 171,554.21, 236,711.00 and 107,855.00 is: 148,818.64
Step by Step Solution
- Step 1: Write the proportion equation
171,554.21 : 236,711.00 = 107,855.00 : x - Step 2: Convert to fraction form
171,554.21/236,711.00 = 107,855.00/x - Step 3: Cross multiply
171,554.21x = 236,711.00 × 107,855.00 - Step 4: Simplify right side
171,554.21x = 25,530,463,182.17 - Step 5: Solve for x
x = 25,530,463,182.17/171,554.21 - Step 6: Final answer
x = 148,818.64
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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.