Finding the Fourth Proportional to 175,818.24, 242,625.84 and 100,365.12
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Solution
The fourth proportional to 175,818.24, 242,625.84 and 100,365.12 is: 138,501.96
Step by Step Solution
- Step 1: Write the proportion equation
175,818.24 : 242,625.84 = 100,365.12 : x - Step 2: Convert to fraction form
175,818.24/242,625.84 = 100,365.12/x - Step 3: Cross multiply
175,818.24x = 242,625.84 × 100,365.12 - Step 4: Simplify right side
175,818.24x = 24,351,171,546.70 - Step 5: Solve for x
x = 24,351,171,546.70/175,818.24 - Step 6: Final answer
x = 138,501.96
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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.