Finding the Fourth Proportional to 192,351.18, 265,436.37 and 106,305.72
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Solution
The fourth proportional to 192,351.18, 265,436.37 and 106,305.72 is: 146,697.32
Step by Step Solution
- Step 1: Write the proportion equation
192,351.18 : 265,436.37 = 106,305.72 : x - Step 2: Convert to fraction form
192,351.18/265,436.37 = 106,305.72/x - Step 3: Cross multiply
192,351.18x = 265,436.37 × 106,305.72 - Step 4: Simplify right side
192,351.18x = 28,217,403,581.14 - Step 5: Solve for x
x = 28,217,403,581.14/192,351.18 - Step 6: Final answer
x = 146,697.32
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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.