Finding the Fourth Proportional to 176,043.08, 242,936.34 and 100,589.96
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Solution
The fourth proportional to 176,043.08, 242,936.34 and 100,589.96 is: 138,812.37
Step by Step Solution
- Step 1: Write the proportion equation
176,043.08 : 242,936.34 = 100,589.96 : x - Step 2: Convert to fraction form
176,043.08/242,936.34 = 100,589.96/x - Step 3: Cross multiply
176,043.08x = 242,936.34 × 100,589.96 - Step 4: Simplify right side
176,043.08x = 24,436,956,723.15 - Step 5: Solve for x
x = 24,436,956,723.15/176,043.08 - Step 6: Final answer
x = 138,812.37
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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.