Finding the Fourth Proportional to 228,799.08, 315,754.34 and 131,966.96
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Solution
The fourth proportional to 228,799.08, 315,754.34 and 131,966.96 is: 182,121.09
Step by Step Solution
- Step 1: Write the proportion equation
228,799.08 : 315,754.34 = 131,966.96 : x - Step 2: Convert to fraction form
228,799.08/315,754.34 = 131,966.96/x - Step 3: Cross multiply
228,799.08x = 315,754.34 × 131,966.96 - Step 4: Simplify right side
228,799.08x = 41,669,138,118.00 - Step 5: Solve for x
x = 41,669,138,118.00/228,799.08 - Step 6: Final answer
x = 182,121.09
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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.