Finding the Fourth Proportional to 192,428.11, 265,539.35 and 106,381.94
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Solution
The fourth proportional to 192,428.11, 265,539.35 and 106,381.94 is: 146,800.74
Step by Step Solution
- Step 1: Write the proportion equation
192,428.11 : 265,539.35 = 106,381.94 : x - Step 2: Convert to fraction form
192,428.11/265,539.35 = 106,381.94/x - Step 3: Cross multiply
192,428.11x = 265,539.35 × 106,381.94 - Step 4: Simplify right side
192,428.11x = 28,248,589,871.64 - Step 5: Solve for x
x = 28,248,589,871.64/192,428.11 - Step 6: Final answer
x = 146,800.74
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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.